Combine startsWith and endsWith with R’s pipe In my first post, startsWith and endsWith were presented. In combination with R’s pipe operator, we can improve the readability even further. w startsWith("H...

The update contains some breaking changes and brings a lot of new features and operators, which markedly improves using containers in both interactive R sessions and code development. Also there is a new class dict.table to support the data.table pack...

R Markdown provides the chunk option `ref.label` to reuse chunks. In this post, I'll show potential problems with this approach and present an easy and safe alternative. Motivation Consider you have defined variable x,

x = 1

and define another chunk, where you simply add one up

```{r addOne}
sum = x + 1
sum
```

resulting in

[1] 2

...