Analyzing data from COVID19 R package

Does reported deaths match actual deaths?

Calculating ratios with Tidyverse

Explaining summarise hidden behaviour

Preserving zero-length groups

Don't drop that

Drop columns based on NAs percentage in R

Showing up several ways


Logging your pipelines

Using summarise_at(). Weighted mean Tidyverse approach

Survey analysis using R

Conditional Pipes

Don't leave the pipeflow

Filtering a data frame by condition on multiple columns

The magic of filter_at()