المشاركات

عرض المشاركات من مايو, 2021

2021-01 Accessing ‘grid’ from ‘ggplot2’

This report describes the ‘gggrid’ package, which provides a convenient interface for making use of raw ‘grid’ functions in combination with ‘ggplot2’. The ‘gggrid’ package ... The post 2021-01 Accessing ‘grid’ from ‘ggplot2’ first appeared on R-bloggers. http://dlvr.it/S0lgT9

ivreg: Two-stage least-squares regression with diagnostics

صورة
The ivreg function for instrumental variables regression had first been introduced in the AER package but is now developed and extended in its own package of the same name. This post provides a short overview and illustration. P... The post ivreg: Two-stage least-squares regression with diagnostics first appeared on R-bloggers. http://dlvr.it/S0lM9B

Mi Band 5 vs. Mi Band 5: Convergent Validity of Step Count Measurements with R

صورة
In this post, we will once again return to the concept of convergent validity, and examine data from two fitness trackers to determine the extent to which their measurements agree. We will also examine the impact of the position of the tracker on the wrist, and see whether this makes ... The post Mi Band 5 vs. Mi Band 5: Convergent Validity of Step Count Measurements with R first appeared on R-bloggers. http://dlvr.it/S0kK27

more air for MCMC

صورة
Aki Vehtari, Andrew Gelman, Dan Simpson, Bob Carpenter, and Paul-Christian Bürkner have just published a Bayesian Analysis paper about using an improved R factor for MCMC convergence assessment. From the early days of MCMC, convergence assessment has been a recurring (and recurrent!) question in the community. First leading to ... The post more air for MCMC first appeared on R-bloggers. http://dlvr.it/S0hlWc

Mario Kart 64 World Records

صورة
(Tidy Tuesday is a project to supply weekly data sets for R users to practice their coding skills on. You can find full details here.) It’s been a while since I took part in a Tidy Tuesday, but having not played with any R code for a while I ... The post Mario Kart 64 World Records first appeared on R-bloggers. http://dlvr.it/S0hCVR

Tips And Tricks For Data Scientists Vol.8

صورة
We have started a series of articles on tips and tricks for data scientists (mainly in Python and R). In case you have ... Read moreTips And Tricks For Data Scientists Vol.8 The post Tips And Tricks For Data Scientists Vol.8 first appeared on R-bloggers. http://dlvr.it/S0gRKf

Working with files and folders in R-Ultimate Guide

In this tutorial, we are going to cover how to work with files and folders in R. Working with the current directory, Unless you specify it otherwise, all documents can be studied and stored in the operating directory. Therefore, the primary element you want to understand is the way to ... The post Working with files and folders in R-Ultimate Guide first appeared on R-bloggers. http://dlvr.it/S0f5Pk

Partial dependence plots with tidymodels and DALEX for #TidyTuesday Mario Kart world records

صورة
This is the latest in my series of screencasts demonstrating how to use the tidymodels packages, from just starting out to tuning more complex models with many hyperparameters. Today’s screencast walks through how to train and evalute a random forest... The post Partial dependence plots with tidymodels and DALEX for #TidyTuesday Mario Kart world records first appeared on R-bloggers. http://dlvr.it/S0dNrP

Using {pagedown} in Docker

صورة
I’m building an automated reporting system which generates PDF reports. My approach is to use R Markdown to write the report and render to PDF using the excellent {pagedown} package. Ultimately the system needs to be packaged in Docker and deployed... The post Using {pagedown} in Docker first appeared on R-bloggers. http://dlvr.it/S0cHQF

Map Symbols and Size Legends for leaflet

The leaflet package in R has built-in functionality for creating color encoded geometries and annotating with color legends. Support is lacking in the area of providing the ability to encode data with sizes or symbology except for the case of circle ma... The post Map Symbols and Size Legends for leaflet first appeared on R-bloggers. http://dlvr.it/S0ZL3W

(Re)Introducing the “Solutions” website

صورة
Photo by Olav Ahrens Røtne on Unsplash. At RStudio, we pride ourselves on the quality of our documentation. Our documentation website, docs.rstudio.com, provides detailed information on the installation and configuration of our produc... The post (Re)Introducing the “Solutions” website first appeared on R-bloggers. http://dlvr.it/S0YZwy

How to add R {magrittr}’s %>% Pipe Operator in VSCode as Keyboard Shortcut

صورة
If you are looking looking for an RStudio Alternative (which is super awesome anyways and I’ve huge respect for the company), You’d know that Microsoft’s Visual Studio code (VSCode) is your best bet. Why? VSCode helps deal with multiple languages i... The post How to add R {magrittr}’s %>% Pipe Operator in VSCode as Keyboard Shortcut first appeared on R-bloggers. http://dlvr.it/S0XPWs

Changes in Apple Health Export

صورة
Resting Heart Rate How does the Apple Watch measure resting heart rate? VO2 Max What Happened to My Million Rows of Data? How Do We Know What the Health Measures Actually Measure? Appendix: Some of the R Code Used to Make This Post R Code for the ggplot2 Figures Removing ... The post Changes in Apple Health Export first appeared on R-bloggers. http://dlvr.it/S0VRbP

A shiny interface to BatchGetSymbols

Hadley Wickham recently released an online version of Mastering Shiny. The book is great! If you haven’t read it, do it fast! On a side note, it is really amazing how much of good and curated content you can get for free in R. When I started progra... The post A shiny interface to BatchGetSymbols first appeared on R-bloggers. http://dlvr.it/S0TgJb

April 2021: “Top 40” New CRAN Packages

صورة
One hundred seventy-nine new packages made it to CRAN in April. Here are my “Top 40” picks in twelve categories: Computational Methods, Data, Genomics, Machine Learning, Mathematics, Medicine, Networks, Operations Research, Statistics, Time Series, Utilities, and Visualization. Computational Methods abess v0.1.0: Provides a toolkit for solving the best subset selection problem ... The post April 2021: “Top 40” New CRAN Packages first appeared on R-bloggers. http://dlvr.it/S0SVHw

Replace fitPlot() with ggplot

Introduction We are deprecating fitPlot() from the next version of FSA (v0.9.0). It will likely be removed at the end of the year 2001. We are taking this action to make FSA more focused on fisheries applications and to eliminate “black box... The post Replace fitPlot() with ggplot first appeared on R-bloggers. http://dlvr.it/S0QCwd

Centralizing your Analytics Infrastructure with eoda and Covestro

Photo by Ekrull on Unsplash Guten Tag! On June 16th, we’ll be teaming up with eoda and Covestro to discuss—in German—how they put their data science into production by developing a unified infrastructure. In addition to learning about ... The post Centralizing your Analytics Infrastructure with eoda and Covestro first appeared on R-bloggers. http://dlvr.it/S0Pp8T

Everything You Always Wanted to Know About ANOVA*

What is ANOVA? ANOVAs in R Simultaneous Sum of Squares Adding Interactions Balanced vs. Unbalanced Data ANOVA Made Easy Other Types of Models GLMs (G)LMMs Concluding Remarks The goals of this post are to (1) examine what ANOVAs are and are not, (2) demonstrate what the various types of ANOVAs are, ... The post Everything You Always Wanted to Know About ANOVA* first appeared on R-bloggers. http://dlvr.it/S0Nc5y

Stringr in r 10 data manipulation Tips and Tricks

صورة
Stringr in r data manipulation Tips and Tricks, In this tutorial we are going to discuss useful functions and expressions in stringr package. Variety of functions available in stringr package but we are going cover only important functions in our day-to-day data analysis. The post Stringr in r 10 data manipulation ... The post Stringr in r 10 data manipulation Tips and Tricks first appeared on R-bloggers. http://dlvr.it/S0KvRV

File Transfer Based Publishing for Shiny Apps

صورة
The open-source Shiny Server is an easy way to self-host Shiny apps on a low-cost virtual machine. Set up the server yourself or use an existing image and deploy apps in seconds. The post File Transfer Based Publishing for Shiny Apps first appeared on R-bloggers. http://dlvr.it/S0Jmtd

Where are the industrial strength R compilers?

Why don’t compiler projects for the R language make it into production use? The few that have been written have remained individual experimental products, e.g., RLLVMCompile. Most popular languages attract many compiler implementations. I’m not saying that any of these implementations have more than a handful of ... The post Where are the industrial strength R compilers? first appeared on R-bloggers. http://dlvr.it/S0JBvY

Sometimes more data can hurt!

صورة
Photo by Ben White on Unsplash So here’s a mind blower: In some cases having more samples can actually reduce model performance. Don’t believe it? Neither did I! Read on to see how I demonstrate that phenomenon using a simulation study. Some cont... The post Sometimes more data can hurt! first appeared on R-bloggers. http://dlvr.it/S0FRYf

GSOC 2021: hyperSpec and ChemoSpec!

I’m really happy to announce that this summer I’ll be a co-mentor on two Google Summer of Code spectroscopy projects: Once again, I’ll co-mentor with Claudia and Vilmantas to continue the work Erick started last summer on hyperSpec (see here for E... The post GSOC 2021: hyperSpec and ChemoSpec! first appeared on R-bloggers. http://dlvr.it/S0FRWx

OpenBudget: A Shiny app for transparent finances in local government in North Macedonia

This week we were excited to take part in (and win!) an Open Data Hackathon organized by the Metamorfosis Foundation, a prominent NGO in North Macedonia whose mission and vision are to “… strengthen the awareness and capacity of citizens a... The post OpenBudget: A Shiny app for transparent finances in local government in North Macedonia first appeared on R-bloggers. http://dlvr.it/S0CsG8

OpenBudget: A Shiny app for transparent finances in local government in North Macedonia

This week we were excited to take part in (and win!) an Open Data Hackathon organized by the Metamorfosis Foundation, a prominent NGO in North Macedonia whose mission and vision are to “… strengthen the awareness and capacity of citizens a... The post OpenBudget: A Shiny app for transparent finances in local government in North Macedonia first appeared on R-bloggers. http://dlvr.it/S0BfMk

Trees and networks

صورة
It’s been over a month since our last post and for that we must apologize. We endeavor to be more prolific, but sometimes work and life get in the way. On the work front, let’s just say we won’t have to spend as much time selling encyclopedias ... The post Trees and networks first appeared on R-bloggers. http://dlvr.it/S0BfK0

rOpenSci News Digest, May 2021

Dear rOpenSci friends, it’s time for our monthly news roundup! You can read this post on our blog. Now let’s dive into the activity at and around rOpenSci! 🔗 rOpenSci HQ We have no less than three categories of (online 😉) even... The post rOpenSci News Digest, May 2021 first appeared on R-bloggers. http://dlvr.it/S08yyG

Animated Sankey Plots of Global Migrant Populations

Background Sankey plots have been used to visualize bilateral migration many times. My favorite examples of Sankey plots for migration data tend to be when there are only few regions or countries. As the number of regions or countries increases the plot become more cumbersome, where labels for the smaller ... The post Animated Sankey Plots of Global Migrant Populations first appeared on R-bloggers. http://dlvr.it/S07PlV

Digital Elevation Models using the ‘CopernicusDEM’ R package

صورة
In this blog post I’ll explain how to use the CopernicusDEM R package based on a use case of the Movebank animal tracking data. I picked animal tracking data because there is an abundance in the Movebank archive from all over the world. In th... The post Digital Elevation Models using the ‘CopernicusDEM’ R package first appeared on R-bloggers. http://dlvr.it/S07PjX

Fitbit Visualizations using the ‘fitbitViz’ R package

صورة
This blog post explains the functionality of the fitbitViz R package. If you own any of the Fitbit activity trackers you can take advantage of this package to visualize your data using ‘ggplot2’, ‘Leaflet’ and 3-dimensionsal ‘Rayshader’ Maps.... The post Fitbit Visualizations using the ‘fitbitViz’ R package first appeared on R-bloggers. http://dlvr.it/S054J5

Securing Shiny Server with Caddy

صورة
Caddy server makes it super easy to obtain TLS certificates for your custom domain and to serve Shiny apps securely over HTTPS on top of the open-source Shiny Server. The post Securing Shiny Server with Caddy first appeared on R-bloggers. http://dlvr.it/S03M9z

apply family in r apply(), lapply(), sapply(), mapply() and tapply()

apply family in r contains apply(), lapply(), sapply(), mapply() and tapply(). One of the big questions is how and when to use these functions? The answer is simple it depends on the structure of your data set and how you want the outcome. The post apply family in r apply(), ... The post apply family in r apply(), lapply(), sapply(), mapply() and tapply() first appeared on R-bloggers. http://dlvr.it/S03M7W

pipe operator in R-Simplify Your Code with %>%

pipe operator in R comes from the “magrittr” package. What does the pipe operator do? The purpose is to lower improvement time and to... The post pipe operator in R-Simplify Your Code with %__% appeared first on finnstats. The post pipe operator in R-Simplify Your Code with %>% first appeared on R-bloggers. http://dlvr.it/S00zmH

Estimating causal effects from aggregated data

صورة
The publically available datasets from Statistics Sweden are aggregated tables. Groups with fewer than five records are filtered out not to have any individual data being made public. In this post, I am going to investigate with what precision it is possible to estimate the causal effect of predictors using ... The post Estimating causal effects from aggregated data first appeared on R-bloggers. http://dlvr.it/Rzy8Pb

bean bag win

A quick riddle from The Riddler, where a multiple step game sees a probability of a 3 point increase of .4 and a probability of a 1 point increase of .3 with a first strategy (A), versus a probability of a 3 point increase of .4 and a probability of a 1 point increase of […] The post bean bag win first appeared on R-bloggers. http://dlvr.it/Rzxhdt

IFRS credit risk reporting (Updated)

IFRSassistant is being built to provide convenience to Finance and Accounting consultants and SMEs in finance industry. IFRS reporting, especially estimated loss calculation is a fairly complicated process involving Monte Carlo simulation, forecasting,... The post IFRS credit risk reporting (Updated) first appeared on R-bloggers. http://dlvr.it/Rzx0SW

Brazil’s R Community is Vibrant and Active

صورة
R Consortium’s R User Group and Small Conference Support Program (RUGS) provides grants to help R groups around the world organize, share information and support each other. The wealth of... The post Brazil’s R Community is Vibrant and Active appeared first on R Consortium. The post Brazil’s R Community is Vibrant and Active first appeared on R-bloggers. http://dlvr.it/Rzt8vL

Statistics common notation

Statistics notation is very easy in Rmarkdown. Below a list of common components of statistics notation for reference. Greek parameters \(\mu\) $\mu$ \(\alpha\) $\alpha$ \(\beta\) $\beta$ \(\gamma\) $\gamma$ \(\tau\) $\tau$ \(\sigma\) $\sigma$ ... The post Statistics common notation first appeared on R-bloggers. http://dlvr.it/Rzsj5z

Filtering Data in R 10 Tips -tidyverse package

filtering data in r, In this tutorial describes how to filter or extract data frame rows based on certain criteria. In this tutorial, you... The post Filtering Data in R 10 Tips -tidyverse package appeared first on finnstats. The post Filtering Data in R 10 Tips -tidyverse package first appeared on R-bloggers. http://dlvr.it/Rzs0Th

unbalanced sampling

A question from X validated on sampling from an unknown density f when given both a sample from the density f restricted to a (known) interval A , f¹ say, and a sample from f restricted to the complement of A, f² say. Or at least on producing an estimate of ... The post unbalanced sampling first appeared on R-bloggers. http://dlvr.it/Rznlyn

How have the AFI Top 30 Movies Changed Between 1998 and 2007?

صورة
During COVID I’ve started watching some older “classic” movies that I hadn’t seen before but felt for whatever reason I should have seen as a movie fan. Last week, I had watched The Third Man after listening to a podcast about Spy Movies. After watching it I was ... The post How have the AFI Top 30 Movies Changed Between 1998 and 2007? first appeared on R-bloggers. http://dlvr.it/RznltN

Sentiment analysis in R

صورة
Sentiment analysis in R, In this article, we will discuss sentiment analysis using R. We will make use of the syuzhet text package to... The post Sentiment analysis in R appeared first on finnstats. The post Sentiment analysis in R first appeared on R-bloggers. http://dlvr.it/RzmDXy

IFRS credit risk reporting

IFRSassistant is being built to provide convenience to Finance and Accounting consultants and SMEs in finance industry. IFRS reporting, especially estimated loss calculation is a fairly complicated process involving Monte Carlo simulation, forecasting,... The post IFRS credit risk reporting first appeared on R-bloggers. http://dlvr.it/RzkwJk

Water well outflow rate

صورة
The house I live in has been built around 1939 and is accompanied by a water well that is about 6 m deep. This was dug out by hand, 0.5 m a day, added scaffolding, added concrete and so on for a few weeks. I think, but see the below figure where on ... The post Water well outflow rate first appeared on R-bloggers. http://dlvr.it/RzjSqn

Basic FDA Descriptive Statistics with R

صورة
In a previous post, I introduced the topic of Functional Data Analysis (FDA). In that post, I provided some background on Functional Analysis, the mathematical theory that makes FDA possible, identified FDA resources that might be ... The post Basic FDA Descriptive Statistics with R first appeared on R-bloggers. http://dlvr.it/Rzhnhg

What if there’s no censoring?…

Philip Cooney has alerted me to a slight inconsistency in survHE. Basically, he was trying to work in a setting where the data contain no censoring, using the HMC/rstan models generated by survHE. All works OK when using some of the models implemented,... The post What if there’s no censoring?… first appeared on R-bloggers. http://dlvr.it/Rzg2WG

Checking in with R-Ladies Taipei

صورة
R Consortium’s R User Group and Small Conference Support Program (RUGS) is made to support R groups around the world by providing grants to help R groups organize, share information... The post Checking in with R-Ladies Taipei appeared first on R Consortium. The post Checking in with R-Ladies Taipei first appeared on R-bloggers. http://dlvr.it/RzfKpJ

Data Manipulation Techniques with dplyr

Data manipulation techniques refer to the process of adjusting or rearranging data to make it organized and easier to read. Data manipulation is a... The post Data Manipulation Techniques with dplyr appeared first on finnstats. The post Data Manipulation Techniques with dplyr first appeared on R-bloggers. http://dlvr.it/RzdLqY

Push Button Publishing for Shiny Apps

صورة
Deploying Shiny apps can be as easy as clicking a button. Deploy to the cloud using Shinyapps.io or to your own servers running RStudio Connect with a click of a button. The post Push Button Publishing for Shiny Apps first appeared on R-bloggers. http://dlvr.it/RzZWsc

Code-First Data Science for the Enterprise

صورة
As a data scientist, or as a leader of a data science team, you know the power and flexibility that open source data science delivers. However, if your team works within a typical enterprise, you compete for budget and executive mindshare with a wide variety of other analytic tools, including ... The post Code-First Data Science for the Enterprise first appeared on R-bloggers. http://dlvr.it/RzX8k5

An R Package for Social Roulette

صورة
Abstract: We introduce the R package socialroulette, which is a lightweight package for handling the recurrent problem of assigning individuals into groups of a fixed size. In order to minimize reunions, we provide an algorithm to solve the task as an ... The post An R Package for Social Roulette first appeared on R-bloggers. http://dlvr.it/RzWblV

Visualization Graphs-ggside with ggplot

صورة
Visualization graphs, Huge information is being collected through data in the business world, we must need a tool to picture of that data so... The post Visualization Graphs-ggside with ggplot appeared first on finnstats. The post Visualization Graphs-ggside with ggplot first appeared on R-bloggers. http://dlvr.it/RzVLJN

Completely Randomized Experimental Design

Experimental Design, when do you call an experimental design a randomized design? Experimental designs in which the treatments are allocated randomly to the experimental... The post Completely Randomized Experimental Design appeared first on finnstats. The post Completely Randomized Experimental Design first appeared on R-bloggers. http://dlvr.it/RzT8HV

Generalized Additive Models: Allowing for some wiggle room in your models

صورة
Generalized additive models (GAMs) have become an important tool for modeling data flexibly. These models are generalized linear models where the outcome variable depends on unknown smooth functions of some predictor variables, and ... The post Generalized Additive Models: Allowing for some wiggle room in your models first appeared on R-bloggers. http://dlvr.it/RzT8DB

Programme for 2021 Insurance Data Science conference online

The programme and abstract booklet for the 2021 Insurance Data Science (16 - 18 June) conference (fka R in Insurance) is now out! We are very excited for a great range of speakers and topics. Previous Next     Page: / Download the Programme and Abstract Booklet Book your ticket for this three half day event ... The post Programme for 2021 Insurance Data Science conference online first appeared on R-bloggers. http://dlvr.it/RzSZV5

Showing a difference in mean between two groups, take 2

صورة
A couple of years ago, I wrote about the paradoxical difficulty of visualising a difference in means between two groups, while showing both the data and some uncertainty interval. I still feel like many ills in science come from our inability to interpret as simple comparison of means. Anything with ... The post Showing a difference in mean between two groups, take 2 first appeared on R-bloggers. http://dlvr.it/RzNxLF

How to Measure Contingency-Coefficient (Association Strength)

صورة
Association strength, when the hypothesis of independence of attributes in a contingency table is rejected by performing a chi-square test, ensures the association between... The post How to Measure Contingency-Coefficient (Association Strength) appeared first on finnstats. The post How to Measure Contingency-Coefficient (Association Strength) first appeared on R-bloggers. http://dlvr.it/RzNT1y

10 Tips And Tricks For Data Scientists Vol.7

We have started a series of articles on tips and tricks for data scientists (mainly in Python and R). In case you have ... Read more10 Tips And Tricks For Data Scientists Vol.7 The post 10 Tips And Tricks For Data Scientists Vol.7 first appeared on R-bloggers. http://dlvr.it/RzLnZH

Booleans & NAs

Missing values are inevitable in data science, and handling them is a constant issue. In the case of Boolean logic, it can behave fairly differently depending on the order of arguments and exactly how it is set up, unlike a lot of other data types. Whether this is useful or ... The post Booleans & NAs first appeared on R-bloggers. http://dlvr.it/RzL175

Waiving Covid-19 Vaccine Patents? I don’t think its a good idea…

صورة
Obviously, it seems absolutely essential to put a lot of resources into ramping up world-wide vaccine production with the goal to ensure that quickly almost everybody in the world has the chance to become vaccinated. But is a waiver of patents for Covi... The post Waiving Covid-19 Vaccine Patents? I don’t think its a good idea… first appeared on R-bloggers. http://dlvr.it/RzJ1vq

Dockerizing Shiny Applications

صورة
Docker provides isolation to applications. Images are immutable. Running multiple instances of the same image can serve many users at the same time. All these general advantages of containerized applications apply to Shiny apps too. The post Dockerizing Shiny Applications first appeared on R-bloggers. http://dlvr.it/RzHDkW

EdOptimize – An Open Source K-12 Learning Analytics Platform

صورة
Important Links Open-source code of our platform –  https://github.com/PlaypowerLabs/EdOptimize Live Platform Analytics Dashboard – https://playpowerlabs.shinyapps.io/edopt_platform_analytics/ Live Curriculum Analytics Dashboard – https://playpowerlabs.shinyapps.io/edopt_curriculum_analytics/ Live Implementation Analytics Dashboard – https://playpowerlabs.shinyapps.io/edopt_implementation_analytics/ Introduction Data from EdTech platforms ... The post EdOptimize – An Open Source K-12 Learning Analytics Platform first appeared on R-bloggers. http://dlvr.it/RzGgJ5

RObservations #10: An Analysis of the Donner-Reed Party with Logistic Regression

صورة
Introduction The story of the Donner-Reed party is one of the more tragic stories of the American Pioneers. The story is of a group of families and individuals who migrated to California on a wagon train from Midwestern America. The group initially traveled via the Oregon Trail but then opted ... The post RObservations #10: An Analysis of the Donner-Reed Party with Logistic Regression first appeared on R-bloggers. http://dlvr.it/RzCk0v

Introducing {centralperk}: Get quotes from the main characters of the TV show ‘Friends’

صورة
My latest package is a R client for Melanie Seltzer’s “friends-quotes-api”, called {centralperk}! This was mainly a way for me to continue learning about APIs, specifically using APIs with R. I’ve been doing some work with an API ... The post Introducing {centralperk}: Get quotes from the main characters of the TV show ‘Friends’ first appeared on R-bloggers. http://dlvr.it/RzCD2K

Learning Statistics: On Hot, Cool, and Large Numbers

صورة
My father-in-law used to write down the numbers drawn on the lottery to find patterns, especially whether some numbers were “due” because they hadn’t been drawn for a long time. He is not alone! And don’t they have a point? Shouldn’t the numbers balance after some time? ... The post Learning Statistics: On Hot, Cool, and Large Numbers first appeared on R-bloggers. http://dlvr.it/Rz9xZ7

Appsilon’s Shiny Masterclass is Now Available

صورة
Mastering Shiny with Appsilon: Building, Scaling, and Deploying Shiny Apps Early this year at rstudio::global, Appsilon and RStudio held a 3-hour long Shiny Masterclass X-Session. We covered many popular Shiny topics, from beginner level to expert level. The full session recording is now available to the public on our ... The post Appsilon’s Shiny Masterclass is Now Available first appeared on R-bloggers. http://dlvr.it/Rz7bsD

Code performance in R: How to make code faster

This is the second part of our series about code performance in R. It contains a lot of approaches to reduce the time your code needs to run. It's useful to know those ideas before starting to write new code, but it also helps to ... The post Code performance in R: How to make code faster first appeared on R-bloggers. http://dlvr.it/Rz5rgx

RStudio and APIs

صورة
Photo by Samuel Sianipar on Unsplash Data Scientists and analysts work to constantly deliver valuable insights from data. In many cases, these individuals practice a Code First approach, using a programming language like R or Python to ... The post RStudio and APIs first appeared on R-bloggers. http://dlvr.it/Rz4F79

What’s New in terrainr 0.4.0?

صورة
terrainr version 0.4.0 is now on CRAN! This version is a relatively minor update that shouldn’t impact most workflows, but makes some changes to improve the logic and consistency of the package. The rest of this post runs through the changes you... The post What’s New in terrainr 0.4.0? first appeared on R-bloggers. http://dlvr.it/Rz3XJr

warped Cauchys

صورة
A somewhat surprising request on X validated about the inverse cdf representation of a warped Cauchy distribution. I had not come across this distribution, but its density being means that it is the superposition of shifted Cauchys on the unit circle (with nice complex representations). As such, it is easily ... The post warped Cauchys first appeared on R-bloggers. http://dlvr.it/Rz1Ct2

Other useful functions for nonlinear regression: threshold models and all that

صورة
In a recent post I presented several equations and just as many self-starting functions for nonlinear regression analyses in R. Today, I would like to build upon that post and present some further equations, relating to the so-called threshold mode... The post Other useful functions for nonlinear regression: threshold models and all that first appeared on R-bloggers. http://dlvr.it/Rz0FsK

Scraping Google Play Reviews with RSelenium

صورة
When Normal Web Scraping Just Won’t Work I’ve used rvest in numerous posts to scrape information from static websites or through forms to get data. However, some websites don’t have static data that can be downloaded by just scraping the HTML. Google Play Store reviews are one ... The post Scraping Google Play Reviews with RSelenium first appeared on R-bloggers. http://dlvr.it/RyzYXH

Least Squares Minimal Norm Solution

Beyond the least squares TLDR: an illustration of the minimal norm solution in Python. The post Least Squares Minimal Norm Solution first appeared on R-bloggers. http://dlvr.it/RyxGzC

Don’t be fooled by the hype python’s got

صورة
R still R still is the tool you want We all know python popularity among DS practitioners has soared over the past few years, signaling both aspiring DS on the one hand and organizations on the other to favor python over R in a snowballing dynamic. I’m writing this ... The post Don’t be fooled by the hype python’s got first appeared on R-bloggers. http://dlvr.it/RywP7W

A first look at torch for R

In this post, I explore torch - a package for R that mirrors the PyTorch framework for deep learning. Motivation I’ve been a bit reluctant to join in on the deep learning hype for some time. Much of this I attribute to my lack of enthusiasm toward Pyth... The post A first look at torch for R first appeared on R-bloggers. http://dlvr.it/Ryvp5y

one-way random walks

A rather puzzling riddle from The Riddler on an 3×3 directed grid and the probability to get from the North-West to the South-East nodes following the arrows. Puzzling because while the solution could be reasonably computed with an R code like suc... The post one-way random walks first appeared on R-bloggers. http://dlvr.it/RysbGX

dqrng v0.3.0

Today dqrng version 0.3.0 made it unto CRAN and is now propagating to the mirrors. This release contains a breaking change: The initial state of dqrng’s RNG is based on R’s RNG, which used to advance R’s RNG state. The implementation... The post dqrng v0.3.0 first appeared on R-bloggers. http://dlvr.it/RysK3s

Customer Segmentation K Means Cluster

صورة
Customer segmentation is the process of separation of customers into groups based on common characteristics or patterns so companies can market their products to... The post Customer Segmentation K Means Cluster appeared first on finnstats. The post Customer Segmentation K Means Cluster first appeared on R-bloggers. http://dlvr.it/Ryrhyp