2021

Drawing the wrong conclusion about subgroups: a comparison of Bayes and frequentist methods

September 13, 2021 | Keith Goldfeld

In the previous post, I simulated data from a hypothetical RCT that had heterogeneous treatment effects across subgroups defined by three covariates. I presented two Bayesian models, a strongly pooled model and an unpooled version, that could be us...

Little useless-useful R functions – Useless Year Progress bar with spinning cursor

September 13, 2021 | tomaztsql

Progress bar showing the number of days until end of the year. Yes, only based on the days and not hour. And needless to say, the progress is soothing using ASCII charts. So the function is fair to say, simple…Read more ›

Why I’m excited to join RStudio, told through a blogdown metadata project

September 12, 2021 | %>% dreams

I am excited to announce that I’ve joined the RStudio Marketing team! I will be creating content on the RStudio Blog that will announce news and share stories from the company, users, and partners. I just started this week and, ready to jump i...

Why I’m Excited to Join RStudio, Told Through a {blogdown} Metadata Project

September 12, 2021 | %>% dreams

I joined RStudio to contribute to their blog, and the first thing I did was use R to pull metadata from the blog. [Read more...]

How to Use System Commands in your R Script or Package

September 12, 2021 | rOpenSci - open tools for open science

Have you ever found a command-line tool that’s perfect for getting your job done, and wanted to use it from an R script or package? E.g. some sort of scientific software providing a specific functionality made available though a command-line int... [Read more...]

Another 9 R books added to BigBookofR

September 12, 2021 | Oscar

The collection of R books at BigBookofR continues to grow! Thanks to @erictleaungu , @StanLazic, @rohmanoabdur, @preposterior, @lago67522285 and @lfvasconcelos_ for their contributions. Computing for the social sciences By Dr. Benjamin Soltoff The goal of this course is to teach you basic computational skills and provideyou with the means to … The ... [Read more...]

Binomial Distribution in R-Quick Guide

September 11, 2021 | finnstats »

Binomial Distribution in R, Binomial distribution was invented by James Bernoulli which was posthumously published in 1713. Let n ( finite) Bernoulli trials be conducted with probability “p” of success and “q” of a failure. The probability of x...

Binomial Distribution in R-Quick Guide

September 11, 2021 | finnstats

Binomial Distribution in R, Binomial distribution was invented by James Bernoulli which was posthumously published in 1713. Let n ( finite) Bernoulli trials be conducted with probability “p” of success and “q” of a... The post Binomial Distribution in R-Quick Guide appeared first on finnstats.

Visualising COVID data using R and leaflet

September 11, 2021 | R'tichoke

Leaflet is a JavaScript library for interactive maps. Leaflet for R is super easy to use and a great way to visualise data that has a spatial dimension. Below are some examples on how to use the leaflet package in R to visualise some COVID-19 data. Pac... [Read more...]

Bond Convexity in Excel and R

September 11, 2021 | sang-heon lee

Bond duration is the first order linear approximation and thus does not consider a non-linearity. Making up for this shortcoming of the duration, a convexity is needed to describe the non-linearity of a bond price. This post explains the meaning and c...

ggplot tips: Using position_stack() for Individual Positioning

September 10, 2021 | Albert Rapp

For a long time I have wondered why some people would use position_stack() for position alignment instead of the simpler version position = "stack". Recently, though, I learned the purpose of the former approach when I tried to add data label...

Custom charting functions using ggplot2

September 10, 2021 | R'tichoke

While R has variety of options to choose from when it comes to 2D graphics and data visualisation, it is hard to beat ggplot2 in terms of features, functionality and overall visual quality. I wanted to share my take on how to use the package which is, ...

Examination of the K-Means Broken-Line Method

September 10, 2021 | R on Data & The World

I recently encountered a 2018 paper called “The next-generation \(k\)-means algorithm”. It proposes and compiles advancements and theoretical justifications for \(k\)-means and \(k\)-medians clustering. One part that caught my eye was the p...

Object detection and tracking in Python

September 10, 2021 | Francisco de Abreu e Lima

Introduction Computer vision is practically everywhere – summoned whenever you unlock your phone, check-in at the airport or drive an autonomous vehicle. In industry, it is revolutionising fields ranging from precision agriculture to AI-assisted medical imaging. Many such applications are based on object detection, one of the key topics of this ...

Animated Population pyramids in R: part 1

September 10, 2021 | anastasiia_zharinova

Anastasiia Zharinova, Healthcare Analyst 12 March 2019 Even in my relatively short experience of working as healthcare analyst, I have

Video tutorial on the essentials of R for ecology cheatsheet

September 10, 2021 | R on R (for ecology)

Hey everyone! I just finished putting together a video tutorial that goes over my Essential Functions of R (for ecology) Cheatsheet. I decided to create a separate post here because some of you were asking for an easy walk-through of the functions on the cheatsheet and I think that merits ...

Adding text labels to ggplot2 Bar Chart

September 9, 2021 | finnstats »

Adding text labels to ggplot2, Is it possible to add text labels to a bar chart in a simple way? Yes, In this article, you’ll learn how to add a frequency count to each bar in a bar chart. First, let’s make a data frame. Animated ...

Adding text labels to ggplot2 Bar Chart

September 9, 2021 | finnstats

Adding text labels to ggplot2, Is it possible to add text labels to a bar chart in a simple way? Yes, In this article, you’ll learn how to add a frequency count to each... The post Adding text labels to ggplot2 Bar Chart appeared first on finnstats.

{emayili} Rendering Plain Markdown

September 9, 2021 | R | datawookie

We’ve been able to attach text and HTML content to messages with {emayili}. But something that I’ve really been wanting to do is render markdown directly into an email. In version 0.4.19 I’ve added the ability to directly render plain markdown into a message. library(emayili) The render() ...

Grouped Data Mean and Standard Deviation Calculator

September 8, 2021 | finnstats »

We want to determine the mean and standard deviation of ungrouped data in practically all circumstances. However, how can you do that with grouped data? Grouped Data Mean and Standard Deviation Let’s look at an example of how to compute me...

« 1 … 33 34 35 36 37 … 119 »

Copyright © 2022 | MH Corporate basic by MH Themes