R bloggers

How to Perform a Log Rank Test in R

May 30, 2022 | Jim

The post How to Perform a Log Rank Test in R appeared first on Data Science Tutorials  How to Perform a Log Rank Test in R, The most frequent technique to compare survival curves between two groups is to use a log-rank test. The following hypotheses are used in this ...
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April: “Top 40” New CRAN Packages

May 29, 2022 | R Views

Computational Methods hmer v1.0.1: Provides objects and functions for Bayes Linear emulation and history matching, including functions for automated training of emulators, diagnostic functions to ensure suitability, and a variety of methods for generating waves of points. There is a vignette Demo of the package, an Emulation and History matching ...
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8 New Books added to Big Book of R

May 29, 2022 | Oscar

29 May 2022 We’re closing in on the next milestone of 300 unique entries in Big Book of R! Today’s update has a bunch of really interesting additions, and thanks to Staurt Lodge and Tim Hendriks for some of the submissions. Before we dive into them, I want to let … The ...
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How to compare variances in R

May 28, 2022 | Jim

The post How to compare variances in R appeared first on Data Science Tutorials How to compare variances in R?, The F-test is used to see if two populations (A and B) have the same variances. When should the F-test be used? A comparison of two variations is useful in ... [Read more...]

Best Books on Data Science with Python

May 28, 2022 | Jim

The post Best Books on Data Science with Python appeared first on Data Science Tutorials Best Books on Data Science with Python, In the subject of data science, Python is one of the most extensively used programming languages. Pandas, NumPy, scikit-learn, Matplotlib, and SciPy are just a few of the ...
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Two Sample Proportions test in R-Complete Guide

May 27, 2022 | Jim

The post Two Sample Proportions test in R-Complete Guide appeared first on Data Science Tutorials Two Sample Proportions test in R, To compare two observed proportions, the two-proportions z-test is utilized. This article explains the fundamentals of the two-proportions *z-test and gives practical examples using R software. We have two ... [Read more...]

leaRn! (learn R)

May 27, 2022 | Pachá

All levels No prior experience required Certified RStudio Trainer (Tidyverse + Shiny) Also certified by The Carpentries at UofT Eight years of experience with R and databases See my email in the image.
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Calculate the P-Value from Chi-Square Statistic in R

May 27, 2022 | Jim

The post Calculate the P-Value from Chi-Square Statistic in R appeared first on Data Science Tutorials Calculate the P-Value from Chi-Square Statistic in R, You’ll get a Chi-Square test statistic every time you run a Chi-Square test. The p-value associated with this test statistic can then be used to ... [Read more...]

Calculate the p-Value from Z-Score in R

May 27, 2022 | Jim

The post Calculate the p-Value from Z-Score in R appeared first on Data Science Tutorials Calculate the p-Value from Z-Score in R, In statistics, we frequently want to know the p-value associated with a specific z-score obtained from a hypothesis test. We can reject the null hypothesis of our hypothesis ... [Read more...]

Revisiting a lying chart

May 26, 2022 | Layton R blog

Summary I critique and correct a well-known visual lie from a 2015 Congressional hearing in which the authors abuse chart-making conventions to serve their rhetorical goals. I explore what authentic stories these data tell and what authen...
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