[social4i size="small" align="align-left"][This article was first published onAppsilon | Enterprise R Shiny Dashboards, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Think of Shiny for Python custom modules asreusable components. You write the logic once, make it as tweakable as possible, and then reuse it throughout your application. As it turns out, creating custom modules in Shiny for Python is simple enough, but there are some new concepts you need to ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onRtask, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.You can read the original post in its original format onRtaskwebsite by ThinkR here:Beyond Functions: How to Enrich an R Package with DataAs package developers, we often focus on custom functions, their documentation, and unit testing. To provide a more complete user experience, it can be helpful to include data within the pack ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Adding a suffix to column names in R is a common task that can help in organizing and managing data frames, especially when dealing with multiple datasets. This guide will walk you through the process using base R functions, making it accessible for beginner R programmers.IntroductionWhen working wit ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onT. Moudiki's Webpage - R, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Last week, I presented a functionality from Python package calledmlsaucethat allows gradient boosting of any regression algorithm. This post is about theR version.I think (?) I finally wrapped my head around the process of creating an R package from a Python package systematically, usingreticulate. By default ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onThinking in spatial patterns, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Methods for comparing spatial patterns in raster dataThis is the first part of a blog post series on comparing spatial patterns in raster data.list all of the blog postsComparison of spatial patterns in raster data is a part of many types of spatial analysis. With this task, we want to know how the physic ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onR - datawookie, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.The{alpacar}package for R is a wrapper around theAlpacaAPI. API documentation can be foundhere. In this introductory post I show how to install and load the package, then authenticate with the API and retrieve account information.Creating an AccountI’ve been using a paper trading account for testing purposes. To get th ...继续阅读 (5)

[social4i size="small" align="align-left"][This article was first published onR on kieranhealy.org, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.This week inModern Plain Text Computingwe put together some of the things we’ve been learning about cleaning and tidying data. Here’s a somewhat sobering example using data from theFatality Analysis Reporting System, which is how the NTSA tracks information about road accidents in the United States. Our data file ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onR-english – Freakonometrics, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Last week, we had an “mid-term” exam, for ourintroduction to statistical learningcourse.  The question is simple: consider three points, \((x_i,y_i)\), here \(\{(0,2),(2,2),(3,1)\}\)Consider here some linear models, estimated using least square techniques, what would be theleave-one-out cross-validationMSE ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onTag: r - Appsilon | Enterprise R Shiny Dashboards, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.If you’re a biostatistician or clinical software developer, you’ve probably felt the weight of trying to meet GxP standards while navigating the FDA/EMA submission process. It’s not just about getting the software right—it’s about ensuring safety, quality, and compliance, all under ti ...继续阅读 (8)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Linux is a powerful operating system that offers a wide range of tools for managing files and processes. One of the most essential concepts in Linux is I/O redirection, which allows users to control the flow of data between commands and files. This guide will introduce you to the basics of redirectio ...继续阅读 (5)

[social4i size="small" align="align-left"][This article was first published onr-spatial, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.SummaryWhy?How?Examples[view raw Rmd]SummaryThis post introduces thePOLYGON FULLgeometry, new insf1.0-18 which appeared on CRAN Today.Why?Polygons delineate a two-dimensional boundarea. The OGCsimple feature access standarddefines besides the regularPOLYGONandMULTIPOLYGON(a set of polygons) also thePOLYGON EMPTYandMULTIPOLY ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onNumbers around us - Medium, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Hey there, ready to get your R code under control? Whether you’re working on your own or in a small team, managing your code can sometimes feel like juggling too many things at once. But don’t worry — there’s an easy way to stay on top of everything. That’s where Git comes in.Think of Git like a trusty side ...继续阅读 (5)

[social4i size="small" align="align-left"][This article was first published onArchives R - Open Forecasting, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.I have been asked recently by a colleague of mine how to extract the variance from a model estimated usingadam()function from thesmoothpackage in R. The problem was that that person started reading the source code of theforecast.adam()and got lost between the lines (this happens to me as well sometimes). ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onRStudioDataLab, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Are you confident in your data analysis?Shapiro-Wilk test in R is essential to ensuring your data fits a normal distribution, but how well do you understand its mechanisms and implications? Can you enhance the reliability of your research findings and uncover deeper insights by learning this test? Start learning the co ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.IntroductionCombining data frames is a fundamental task in data analysis, especially when dealing with datasets that have different structures. In R, there are several ways to achieve this, using base R functions, thedplyrpackage, and thedata.tablepackage. This guide will walk you through each method ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onrOpenSci - open tools for open science, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Exciting News!The Chan Zuckerberg Initiative has awarded rOpenSci a new grant to foster sustainable scientific software as a pillar of Open Science in Latin America by building capacity and community. With this $340K grant, we’re planning to launch a Spanish-language version of our Champions Pro ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onschochastics - all things R, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.This is the second post about some “behind the scene” activities around R package development.The first partof the series was about the recent archival of my R packagetimeless. This second part is about the consequences for your own packages, if a package you have under “Imports” or “Suggests” in your DESC ...继续阅读 (9)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.IntroductionC programming is one of the oldest and most influential programming languages, known for its structured programming, recursion, and portability. As a beginner C programmer, you’re about to embark on an exciting journey into a language that has shaped the world of software development. Two ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onGetting Genetics Done, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.This is reposted from the original athttps://blog.stephenturner.us/p/use-nanoparquet-instead-of-readr-csv.Parquet is interoperable between Python and R, fast to read+write, works well with databases, and stores complex data types (e.g., tibble listcols). Use it instead of CSV. Many pros, few (no?) cons.Yesterday ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onNumbers around us - Medium, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.#223–224PuzzlesAuthor:ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on myGithub. Enjoy.Puzzle #223As usual on weekends we are mainly doing table transformations. Sometimes it need simple manouvers and sometimes very complicated almost magical tricks. And tod ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onGetting Genetics Done, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Reposted fromhttps://blog.stephenturner.us/p/duckdb-vs-dplyr-vs-base-r.TL;DR: For a very simple analysis (means by group on 100M rows), duckdb was 125x faster than base R, and 28x faster than readr+dplyr, without having to read data from disk into memory. The duckplyr package wraps DuckDB’s analytical quer ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onMethod Matters Blog, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.This blog post is the second installment in a series detailing analyses of the 2023De Gemeente-Stadsmonitor(The Municipality and City Monitor) survey, conducted in the region of Flanders in Belgium. You can check out the first posthere.In theprevious post, we used Principal Components Analysis and data visualizati ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.IntroductionAs a beginner R programmer, you’ll often encounter situations where you need to manipulate data frames by combining columns. This article will guide you through the process of combining two columns into one in R, using both base R functions and the tidyr package. We’ll provide clear examp ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onouR data generation, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.I’ve been curious to see how helpful ChatGPT can be for implementing relatively complicated models inR. About two years ago, Idescribeda model for estimating a treatment effect in a cluster-randomized stepped wedge trial. We used a generalized additive model (GAM) with site-specific splines to account for general ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onNumbers around us - Medium, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Puzzles no. 554–558PuzzlesAuthor:ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on myGithub. Enjoy.Puzzle #554Another interesting number called after Indian mathematician. We need to find first 50 Kaprekar numbers of any order. What does it mean? We need to f ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onR-posts.com, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Join our workshop onStandardising R Projects with the ProjectTemplate package, which is a part of our workshops for Ukraine series!Here’s some more info:Title:Standardising R Projects with the ProjectTemplate packageDate:Thursday, November 7th, 14:00 – 16:00 CET (Rome, Berlin, Paris timezone)Speaker:Michael Rasmussen is a ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onDataGeeek, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.Could the latest PCE data catalyze Bitcoin to surge beyond major resistance and reach $70K? The last time that US PCE Price Index values were under the estimates (miss), BTC prices rocketed.Source code:library(tidyverse) library(tidyquant) library(timetk) #U.S. PCE Price Index YoY df_pce_yoy <- read.delim("https://raw.g ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onSteve's Data Tips and Tricks, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.IntroductionCombining rows with the same column values is a fundamental task in data analysis and manipulation, especially when handling large datasets. This guide is tailored for beginner R programmers looking to efficiently merge rows using Base R, thedplyrpackage, and thedata.tablepackage. By the ...继续阅读 (2)

[social4i size="small" align="align-left"][This article was first published onR some blog, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.The testthat package is the most widely used tool for unit testing in R. However, many users may not be aware of the possibility to nest test blocks within each other. In this post, I demonstrate how this underused feature provides a great way to structure and manage your unit tests.Toleave a commentfor the author, please ...继续阅读 (2)

[social4i size="small" align="align-left"][This article was first published onschochastics - all things R, and kindly contributed toR-bloggers]. (You can report issue about the content on this pagehere)Want to share your content on R-bloggers?click hereif you have a blog, orhereif you don't.This is just a short announcement post that the R package oaqc is back on CRAN.The package provides an efficient algorithm to calculate for a given graph the orbit-aware quad census. More precisely the frequency distribution of all induced and non-induced non-isomorphic four node subgraphs, i.e. quads, on ...继续阅读 (1)