Ken’s blog

Quarto websites and Codeberg pages (part 2)

code

websites

Putting a Quarto website on your own domain using Codeberg and grebedoc.dev.

Quarto websites and Codeberg pages (part 1)

code

websites

Considerations in getting Quarto websites and Codeberg to play nicely

Tidy linear programming

code

analysis

Using the tidyLP package to solve linear programs

Welcome To My Blog

news

My blog is now a Quarto blog. Welcome!

Assignments, Worksheets and targets

code

In my teaching, I create worksheets and assignments for my students.

Honestly Significant Differences

code

analysis

In running an analysis of variance, the standard \(F\)-test is, by itself, not very helpful.

Looking In on Purrr 1.0

code

A brief look at some of what’s new in Purrr 1.0.

A Journey with Targets

code

analysis

There are lots of good reasons to adopt a workflow based around functions, and the targets package provides an excellent way to do that, by asking the user to express how…

Random sampling from groups

code

analysis

In a previous post, I discussed how we might sample in groups, where each group was a sample from a different population.

Why the rank sum test is also a waste of time

code

analysis

In the same way that the signed rank test is mostly a waste of time, here I argue that the rank sum test is very rarely useful, and offer a less well-known test to use…

Why the Signed-Rank Test Is a Waste of Time

code

analysis

The signed rank test is only rarely useful, and, as we see, even more rarely useful in the kind of situation where we might think of using it.

Tidy simulation

code

Using rowwise to save calculation, estimate power or test size, bootstrap distributions

Correcting a dataframe

code

analysis

maps

Using tidyverse ideas to make some changes in a dataframe.

Sampling locations in a city

code

analysis

maps

With the aim of getting an aerial map of the sampled location.

Another tidying problem

code

tidying

analysis

This ends up with a matched pairs test after tidying.

Understanding the result of a chi-square test

code

analysis

Going beyond the chi-square statistic and its P-value

Two header rows and other spreadsheets

code

tidying

Tidying data arranged in odd ways

Un-counting

code

Why you would want to do the opposite of counting.

Changing a lot of things in a lot of places

code

analysis

Making a lot of changes in text, all in one go.

Distance between clusters

code

analysis

How far apart are two clusters of objects, when all I have are distances between objects?