October 2020

How to Automate Excel with R

October 6, 2020 | Business Science

This article is part of a R-Tips Weekly, a weekly video tutorial that shows you step-by-step how to do common R coding tasks. Let’s learn how to automate Excel with R, using openxlsx and tidyquant. Get the Code: GitHub Link Video Tutorial: YouTu...
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Building a career changer resume with R {vitae} package

October 6, 2020 | R on Redwall Analytics

# Libraries
packages <- 
  c("vitae",
    "tibble",
    "spelling"
    )

if (length(setdiff(packages, rownames(installed.packages()))) > 0) {
  install.packages(setdiff(packages, rownames(installed.packages())))
}

invisible(lapply(packages, library, character.only = TRUE))

knitr::opts_chunk$set(
  comment = NA,
  fig.width = 12,
  fig.height = 8,
  out.width = '100%'
)
Introduction This will be a post about building a resume (curriculum vitae) with the R {vitae} package, by a professional who somehow managed to spend 25 years without one. I am also making one of the more unusual career transitions, moving from investment research sales to look for interesting challenges ... [Read more...]

Open States data & the New Mexico State Senate

October 6, 2020 | Jason Timm

Intro NM State Senate Democrats Open-States Data DW-NOMINATE procedure Loss of the center Summary Intro So, a bit of a dust-up in the State Senate primaries in New Mexico over the summer. Progressives took aim at five Democratic members of a conservative coalition that has controlled the chamber since 2009. This ...
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Excess Deaths by Cause

October 6, 2020 | R on kieranhealy.org

As I was saying the other day, calculating excess deaths can be a tricky business, especially if your focus is on understanding counterfactuals like how many people died of some cause who would not have died due to some other competing risk over the period of interest. Moreover, even setting ... [Read more...]

Build a Trump vs Biden Prediction Model With R From Scratch

October 6, 2020 | Matt C

Let’s predict the 2020 presidential election! ___ Get the full code on my GitHub page Follow me on Twitter for model updates ___ Creating a simple prediction model for the 2020 general election between Trump and Biden is actually fairly simple. All we need is to estimate each candidate’s state-by-state average polling ...
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How to simplify your code by using data flows

October 6, 2020 | cloudcell

How can one effectively develop and manage code in large complex data analysis projects? In the past I routinely developed conventions for naming my R scripts so that those scripts have prefixes to determine the sequence to run the scripts. I used this convention several years until I came across ...
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3.84 or: How to Detect BS (Fast)

October 6, 2020 | Learning Machines

In From Coin Tosses to p-Hacking: Make Statistics Significant Again! I explained the general principles behind statistical testing, here I will give you a simple method that you could use for quick calculations to check whether something fishy is going on (i.e. a fast statistical BS detector), so read ... [Read more...]

Covid 19 – How long can the pandemic last in India?

October 5, 2020 | akhila

Six plus months had elapsed since the World Health Organization declared Covid -19 as a pandemic. The daily confirmed cases are still rising, but interestingly google trend shows a lose of interest in searches related to Covid-19 recently. Maybe the initial panic has come down to a greater extent. But ...
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Covid 19 – How long can the pandemic last in India?

October 5, 2020 | akhila

Six plus months had elapsed since the World Health Organization declared Covid -19 as a pandemic. The daily confirmed cases are still rising, but interestingly google trend shows a lose of interest in searches related to Covid-19 recently. Maybe the initial panic has come down… Read More The post Covid 19 – ...
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Squeezing the Most Utility from Your Models

October 5, 2020 | nzumel

In a previous article we discussed why it’s a good idea to prefer probability models to “hard” classification models, and why you should delay setting “hard” classification rules as long as possible. But decisions have to be made, and eventually you will have to set that threshold. How do ...
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The day after

October 5, 2020 | HighlandR

I woke yesterday to see ‘Excel’ trending on Twitter. However it didn’t take to long to discover this was not a good thing. For those not in the know, it turned out that an issue with importing data via Excel had caused a large number of cas... [Read more...]

Using torch modules

October 5, 2020 | Sigrid Keydana

Initially, we started learning about torch basics by coding a simple neural network from scratch, making use of just a single of torch’s features: tensors. Then, we immensely simplified the task, replacing manual backpropagation with autograd. Today... [Read more...]
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