此《三迁志》由明代史鹗编撰，以“孟母三迁”典故来命名。全书共六卷，记述了孟子及其后裔家族相关历史事迹。内容包含：孟母孟子及庙制等图像；事迹、列传、世系、祀典等；诏敕、恩赐等；奏疏、祭文、诗等；碑记、墓志。此为明嘉靖三十二年邹县孟氏刊本。 ...继续阅读

[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.A few years ago, the R community started usingORCID(“Open Researcher and Contributor ID”) to persistently and uniquely identify individual authors of packages in DESCRIPTION. The idea is the following: you enter authors’ ORCID as a specially named comment in theirperson()object. For instance I c ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onR Works, 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 new, universal development environmentVS Codeis Microsoft’s open-source software development environment that can be customized for any language. It is arguably the general-purpose GUI programming tool of choice when working across multiple computer languages. As a data scientist, its R <-> Python integration deserves caref ...继续阅读 (4)

[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.The Pectra upgrade for Ethereum could catalyze the expected uptrend despite the reduced risk appetite caused by the Tariff War between the US and China.Based on the trend-anomaly analysis, this suggests the potential for a 40% increase in the near term.library(tidyverse) library(tidyquant) library(timetk) #Ethereum (ETH-US ...继续阅读 (3)

此《泛槎图》由清代张宝（字仙槎）编绘。全套共六集，分为：泛槎图、续泛槎图、续泛槎图三集、舣槎图四集、漓江泛棹图五集、续泛查图六集。其内收录作者平生游历山水名胜，以纪游为主题的版画一百余幅（每幅配有作者题诗），并附友朋诸家题跋三百余篇。此为清嘉庆至道光时期刊本。 ...继续阅读 (4)

[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.Standalone knowledge quiz about the flags of countries and their neighbors, along with the Quarto source files to generate this.Knowledge quizStandalone file:flags.htmlResourcesflagsflags.qmd: Quarto source file embedding theexams2forms()calls, see below.webex.js: Copy of the current Javascript code from theexams2formspackage ...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.Reposted from the original athttps://blog.stephenturner.us/p/uv-part-3-python-in-r-with-reticulate.Two demos using Python in R via reticulate+uv: (1) Hugging Face transformers for sentiment analysis, (2) pyBigWig to query a BigWig file and visualize with ggplot2.—This is part 3 of a series on uv. Other pos ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published onR Code – Geekcologist, 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.Understanding how scientific knowledge develops requires more than merely counting papers and citations. It requires a careful evaluation of how research topics and themes interconnect and transform over time. This is wherebibliometric analysisbecomes essential. As the volume of scientific journals and papers co ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onJason Bryer, 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.Note that this is cross posted with a vignette in themedleyR package. For the most up-to-date version go here:https://jbryer.github.io/medley/articles/downsampling.htmlComments can be directed to me on Mastodon at@vis.social@jbryer.To install the development version of themedleypackage, use the following command:remotes:: ...继续阅读 (5)

[social4i size="small" align="align-left"][This article was first published onStencilled, 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.Demystifying media analytics tools like MMM and incrementality testing, and how to leverage them to move from tactical execution to strategic mastery.Toleave a commentfor the author, please follow the link and comment on their blog:Stencilled.R-bloggers.comoffersdaily e-mail updatesaboutRnews and tutorials aboutlearning Ra ...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.Toleave a commentfor the author, please follow the link and comment on their blog:T. Moudiki's Webpage - R.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 (3)

[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 distances of Hasler kayak races for various divisions are nominally 4, 8 and 12 miles. However, the actual distances vary to some degree from one race venue to another. This makes it difficult to compare race times across different races. Using data fromPaddle UKI attempt to estimate the actual distances.Background ...继续阅读 (4)

[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.New CRAN releases of the R/exams package and the accompanying exams2forms package with many new features and enhancements, especially for the written multiple-choice exams (NOPS).OverviewThe new version 2.4-2 of theR/examspackage has been released on the Comprehensive R Archive Network athttps://CRAN.R-project.org/package=exa ...继续阅读 (4)

最近头痛时不时复发，只能强制自己远离工作的紧张节奏，专注于自我的平和。某种意义上，我其实很适合高强度的工作。压力越大，越是冷静。这可能是以前工作训练出来的，也可能是飞行执照训练出来的。当周围的人都进入狂暴模式的时候，我却一如既往的淡定，稳如泰山。我可以一个个劝住，在大家都手足无措的时候指明方向。工作是长跑，是漫长的登山，越是困难越让我冷静。某种意义上，我其实是很适合硅谷的丛林法则的。这也可能是这么多年来我在工作上并没有遇到太多天花板，一直能找到突破的方向的缘故。不给自己设限，也便有了无数的可能。但是，退一万步讲，这真的是我想要的生活吗？功名利禄，好像并没有我真正在乎的。钱变成了数字，让我感觉越来越陌生。我的生活质量并没有因为钱而变得更高，反而失去的时间和自由让我会不时感到窒息。最快乐的日子并不是多了多少标签，而是沉浸在自我的世界中专注。能感受到自己还活着，并非行尸走肉。年龄越大，越觉得自己跟同龄人的割裂，一种宛如代际的割裂感。他们的高谈阔论，我的诗与远方。我试图融入，可是越融入越痛苦。索性不再假装，索性回归本心。 人生苦短，何必过多地向现实妥协。或许我太早地被经济学的功利主义洗脑，却也侥幸早早得以看清功利主义的局限。愿我可得一世自由。 ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onR-Blog on Data modelling to develop ..., 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 blog is about the improved function,quicksummaryin theDyn4castpackage. The function provides quick overview of data and particularly outputting five different means.Observational study involves procuring large mass of data for analysis and modeling. So, there is always need to ...继续阅读 (2)

[social4i size="small" align="align-left"][This article was first published onr on Everyday Is A School Day, 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.In my simulations of Response Adaptive Randomization, I discovered it performs comparably to fixed 50-50 allocation in identifying treatment effects. The adaptive approach does appear to work! However, with only 10 trials, I’ve merely scratched the surface. Important limitations exist – temporal bi ...继续阅读 (3)

[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.Mont Blanc – CC-BY-NC-ND by Viktor KirilkoSome OpenStreetMapelementshave Wikidataentitiesas attributes, like for example the summit ofMont Blanchas the key/value pairwikidata=Q583directing toMont Blancwhere we can see it has the correct identifier “OpenStreetMap node ID” (P11693) directing back to the point281399025; and ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onrstats on Irregularly Scheduled Programming, 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 well do you know your fundamental operators in different languages? ‘Easy’ examples help to fortify that knowledge, and comparing across languages makes for some neat implementation detail discoveries.I sawthis toot from@gregeganSFon MastodonPost by@gregeganSF@mathstodon.xyzView on Mast ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onYohann's 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.Debugging code in an everyday (often painful) task for developers. In a recent video, I presentedhow to debug R code in RStudio IDE.Two native functions available natively in R were shown :browser()anddebugonce(). They are very useful to debug your code.debugonce()is a function that allows you to debug a function t ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onR – Michael's and Christian's 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.In this post, we show how differentuse casesrequire differentmodel diagnostics. In short, we compare (statistical)inferenceandprediction.As an example, we use a simple linear model for the Munich rent index dataset, which was kindly provided by the authors ofRegression – Models, Methods an ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onR on Nicola Rennie, 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.The30 Day Chart Challengeis a data visualisation challenge organised by Cédric Scherer and Dominic Royé. Participants make one chart each day of the challenge, inspired by the daily prompt. The prompts are also split across 5 different categories, which for 2025 were comparisons, distributions, relationships, time ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onStat's What It's All About, 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.Given an ordinal regression model, it is relatively easy to get class-wise predictions – the conditional predicted probability of each level of the outcome. However,often, one might be interested in summarizing effects not on the class-wise probability scale (nor on the latent scale), but in ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onR – Michael's and Christian's 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.From time to time, the following questions pop up:How to calculate grouped counts and (weighted) means?What are fast ways to do it in R?This blog post presents a couple of approaches and then compares their speed with a naive benchmark.Base RThere are many ways to calculate grouped counts ...继续阅读 (4)

吾十有五而志于学，三十而立，四十而不惑，五十而知天命，六十而耳顺，七十而从心所欲，不逾矩年轻的时候并不是很能读懂这段话，年纪大了才恍然时间快进。现在的日子基本上是 知天命、耳顺、从心所欲的阶段了。每天看着聒噪的人群，我已经心生羡慕。和长者的间隙已经远远小于和二十多岁年轻人的代沟。是从什么时候开始，经历了什么，让我的人生越来越勇敢，也越来越无所谓了呢。初心还在吗，还在的。梦想还在吗，还在的。那一束束不曾泯灭的光亮，闪耀着年少与年长。放下的越多，只能说明人越来越老，力不从心。跨越千山万里，只为回眸一笑，是一种人生。和猫一起睡到天昏地暗，也是一种人生。习惯了疯狂之后，人生好像也没什么界限了。从心所欲，不逾矩，却也不设限。 ...继续阅读 (2)

As energy prices continue to rise in the Philippines, more homeowners are looking for ways to save on electricity without sacrificing comfort. One often overlooked area is the water heater. A well-chosen unit can significantly reduce power consumption while still providing the hot water needed for daily routines. For households seeking smarter energy use, exploring […]The postEnergy-Efficient Water Heating Solutions for Filipino Householdsappeared first onJ L I Blog. ...继续阅读 (6)

[social4i size="small" align="align-left"][This article was first published onR Works, 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.In March, one hundred eighty-two new packages made it to CRAN. Here are my Top 40 picks in sixteen categories: Agriculture, Archaeology, Biology, Climate Modeling, Computational Methods, Data, Ecology, Epidemiology, Genomics, Machine Learning, Medicine, Risk Forecasting, Statistics, Time Series, Utilities, and Visualization.A ...继续阅读 (3)

[social4i size="small" align="align-left"][This article was first published ongeocompx, 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 first part of a blog post series on spatial machine learning with R.The R language has a variety of packages for machine learning, and many of them can be used for machine learning tasks in a spatial context (spatial machine learning). Spatial machine learning is generally different from traditional machine learn ...继续阅读 (3)

[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.Cloze exercise in which two randomly-selected Cardinal vowels have to be described according to the three parameters vowel height, frontness-backness, and lip rounding.Name:vowelsType:clozePreview:Describe the following Cardinal vowels according to the three parameters vowel height, frontness-backness, and lip rounding:[e] is ...继续阅读 (3)

[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.Single-choice knowledge quiz question in which the correct flag for a country has to be selected from a list of flags.Name:flagsType:schoiceRelated:capitals,countrycodesPreview:Which is the flag of Bolivia?False.is the flag of Chile.True.is the flag of Bolivia.False.is the flag of Peru.False.is the flag of Brazil.False.is the ...继续阅读 (4)

[social4i size="small" align="align-left"][This article was first published onA Statistician's R Notebook, 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.1IntroductionYou trust R². Should you?You proudly present a model with R² = 0.95. Everyone applauds.But what if your model fails miserably on the next new data?When building a statistical model, one of the first numbers analysts and data scientists often cite is theR², or coefficient of determination. ...继续阅读 (4)