[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.Table of ContentsIntroductionUnderstanding the BasicsWorking with subset() FunctionAdvanced TechniquesBest PracticesYour TurnFAQsReferencesIntroductionData manipulation is a cornerstone of R programming, and selecting specific columns from data frames is one of the most common tasks analysts face. Wh ...继续阅读 (11)

此《卫生宝函》（妙药全书）日本商人岸田吟香编。书中内容为上海乐善堂药房制售的各种成药目录，按功效分为补益、妇婴、杂症、戒烟、外科、花柳六门，收药二百多种并说明其疗效及价格，书中还配以民俗版画插图。此为清光绪十五年上海乐善堂药房刊本。 ...继续阅读 (6)

[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.Shanghai Composite does not seem to be at an ideal point for entry.Source code:library(tidyverse) library(tidyquant) library(timetk) library(tidymodels) library(modeltime) library(workflowsets) #Shanghai Composite Index (000001.SS) df_shanghai <- tq_get("000001.SS", from = "2015-09-01") %>% tq_transmute(select = clos ...继续阅读 (21)

[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.Introduction to Logical OperatorsLogical operators are fundamental building blocks in C programming that allow us to make decisions and control program flow based on multiple conditions. These operators work with Boolean values (true/false) and are essential for creating complex decision-making struc ...继续阅读 (10)

[social4i size="small" align="align-left"][This article was first published onR – Xi'an's Og, 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.Toleave a commentfor the author, please follow the link and comment on their blog:R – Xi'an's Og.R-bloggers.comoffersdaily e-mail updatesaboutRnews and tutorials aboutlearning Rand many other topics.Click here if you're looking to post or find an R/data-science job.Want to share your content on R-bl ...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.IntroductionData manipulation is a crucial skill in R programming, and subsetting data frames is one of the most common operations you’ll perform. This comprehensive guide will walk you through four powerful methods to subset data frames in R, complete with practical examples and best practices.Under ...继续阅读 (11)

[social4i size="small" align="align-left"][This article was first published onr – bensstats, 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.IntroductionSocial network analysisexamines individual entities and their relationships among them. The data is represented as a “graph” where individual entities are referred to as “nodes” and their relationships between them as “edges. A primary area of study in SNA is the analysis of interconnectivity of nodes, calle ...继续阅读 (9)

[social4i size="small" align="align-left"][This article was first published onr.iresmi.net, 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.Meltwater in crevasses in Greenland – CC-BY-NC by NASA’s Marshall Space Flight CenterDay 11 of30DayMapChallenge: « Arctic » (previously).We’ll use theGreenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids(J. Bamber 2001)fromJ. L. Bamber, Layberry, and Gogineni (2001)andLayberry and Bamber (2001).Download here(aft ...继续阅读 (7)

[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.The tilde operator (~) is a fundamental component of R programming, especially in statistical modeling and data analysis. This comprehensive guide will help you master its usage, from basic concepts to advanced applications.IntroductionThe tilde operator (~) in R is more than just a symbol – it’s a p ...继续阅读 (9)

[social4i size="small" align="align-left"][This article was first published onAdam’s Software Lab, 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.IntroductionThis post describes a particular use-case for Python in Excel and how it was solved using the R package Reticulate 1.39.0 (https://cran.r-project.org/web/packages/reticulate/index.html) along with the ExcelRAddIn (https://github.com/Adam-Gladstone/Office365AddIns).A while back I read an interesting pos ...继续阅读 (12)

[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 from the original athttps://blog.stephenturner.us/p/python-cli-click-cookiecutter.—In the spirit ofLearning in Public, I wanted an excuse to explore (1)clickfor creating command line interfaces, (2)Cookiecutterproject templates, and (3) modern tools in the Python packaging ecosystem. If you’re pri ...继续阅读 (7)

此《钦定物料价值则例》（陕西省）由清代陈宏谋等奉敕編。全书共十二卷，列举西安府、直隶商州、同州府、直隶乾州、邠州、凤翔府、汉中府、兴安府、延安府、直隶鄜州、直隶绥德州、榆林府等地物料价格。所收款目有木料、石料、磚瓦、琉璃瓦料、灰土、顔料等。此为清乾隆三十三年工部刊本。 ...继续阅读 (6)

[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 fifth part of a blog post series on comparing spatial patterns in raster data. More information about the whole series can be foundin part one.This blog post focuses on comparing spatial patterns in categorical raster data for arbitrary regi ...继续阅读 (6)

[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.A few weeks ago, I introduced a model-agnostic gradient boosting (XGBoost, LightGBM, CatBoost-like) procedure for supervised regression and classification, that can useany base learner(available in R and Python packagemlsauce). You can find the previous posts here:https://thierrymoudiki.github.io/blog/2024/10 ...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.IntroductionLinux, an open-source operating system known for its stability and flexibility, relies heavily on efficient process management. For beginners venturing into the world of Linux, understanding processes and mastering related commands is crucial for effective system administration and troubl ...继续阅读 (9)

[social4i size="small" align="align-left"][This article was first published ondatascienceconfidential - 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.It’s Hallowe’en; that time of year when LinkedIn is full of photos of the recruiters who ghosted you dressed up as ghosts. But ghosting isn’t the only bad thing about the modern-day job market. Another plague on job seekers is theendless rounds of interviewswhich companies put people through. A common scen ...继续阅读 (5)

[social4i size="small" align="align-left"][This article was first published onThe Jumping Rivers 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.All of our public training courses for the first half of 2025 are now open for registration! Head over to thepublic courses pageon our website to book in and start building your programming skills in the new year! Below is a list of all of our upcoming courses with a description, bookable dates, course level a ...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.IntroductionIn C programming, the ability to make decisions and control the flow of a program is essential. One of the most fundamental ways to do this is by using conditional statements likeifandelse if. These statements allow you to test data and execute different blocks of code based on the outcom ...继续阅读 (9)

[social4i size="small" align="align-left"][This article was first published onR – Win Vector LLC, 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.IntroductionIt can be fun to drive a problem all the way into the ground. I don’t always get to do that on paying projects, however sometimes I can do it with hobby projects. In this case I am going to re-solveDudeney’s Remainder Problemagain and again to argue that it can be solved at a pencil and paper scale. The ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onR/exams, 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.Introduction to the new exams2forms package for including quizzes or individual questions from dynamic exercise templates into rmarkdown or quarto documents, e.g., for self-paced learning and self-assessment.OverviewThe new packageexams2forms, co-authored withReto Stauffer, provides several building blocks for embedding exerc ...继续阅读 (7)

[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.As 2024 draws to a close, which new trends should you be paying attention to?Join DataCamp’s flagship conferenceRADAR: Forward Editionto explore developments in data and AI that will shape 2025 and beyond.Date: November 13, 2024.Location: OnlineCost: Free of chargeExperts from top tech organizations will cover topics such ...继续阅读 (21)

[social4i size="small" align="align-left"][This article was first published onfree range statistics - 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.I have been thinking in my spare time a bit about synthetic control methods as an approach to evaluation, and am working on a blog post. But a side issue that popped up was sufficiently interesting to treat separately.Technically, it is a question of fitting a regression where the coefficients are constraine ...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.IntroductionThe dollar sign ($) operator is one of the most fundamental tools in R programming, serving as a key method for accessing and manipulating data within data frames and lists. Whether you’re just starting your R programming journey or looking to solidify your understanding, mastering the do ...继续阅读 (8)

Movable Type 8.4.0, 8.0.5 and 7 r.5505 (v7.906.0) released.This release includes several improvements and bug fixes.RELEASED VERSIONSMovable Type 8.4.0Movable Type Advanced 8.4.0Movable Type AMI (via AWS Marketplace) 8.4.0Movable Type 8.0.5Movable Type Advanced 8.0.5Movable Type AMI (via AWS Marketplace) 8.0.5Movable Type r.5505 (v7.906.0)Movable Type Advanced r.5505 (v7.906.0)Movable Type AMI r.5505 (v7.906.0)RELEASE NOTESPlease review the Movable Type release notes to see everything that was added and improved since the version you are currently using.Movable Type 8.4.0 Release NotesMovable ...继续阅读 (26)

[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.How to join this free online event with Pedro Faria, Beatriz Milz and Francesca Belem Lopes Palmeira.A comunidade R está realizando vários esforços de traduções comunitárias para o português de diferentes recursos: livros, pacotes e guias.Nesta chamada da comunidade, três líderes da comunidade d ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onr.iresmi.net, 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.Valley of the roses – CC-BY-NC-ND by Riccardo Maria ManteroDay 6 of30DayMapChallenge: « Raster » (previously).What was the temperature at your birth place when you were born?Copernicusprovides many climate datasets. We can useERA5 post-processed daily statistics on single levels from 1940 to presentto display the weather ...继续阅读 (7)

[social4i size="small" align="align-left"][This article was first published onMad (Data) Scientist, 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 added a new function to qeML 1.2,qeMittalGraph, based on an idea by my student Aditya Mittal. Below is an example that I think is rather compelling.The basic idea is quite simple (and not necessarily new, just something I had not seen below): Instead of comparing several curves directly, plot their growth fr ...继续阅读 (5)

[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 onIntroduction to generalized linear models in R, which is a part of our workshops for Ukraine series!Here’s some more info:Title:Introduction to generalized linear models in RDate:Thursday, December 5th, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone)Speaker:Bodo Winter is Professor of Linguistics at t ...继续阅读 (7)

[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.#231–232PuzzlesAuthor:ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on myGithub. Enjoy.Puzzle #231Both puzzles this weekend are somehow related to logistics. In first one we need to complete data for invoice for each person placing order. We have classic tra ...继续阅读 (10)

[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.We’re thrilled to announce the release ofTapyr 0.2, a major update that incorporates valuable feedback from the Shiny for Python developer community.Learn how Tapyr enhances Shiny for Python in our Open Source Spotlight.See how it simplifies deployment for Shiny apps.This version focu ...继续阅读 (7)