Tips

Calculating ratios with Tidyverse

Explaining summarise hidden behaviour

Preserving zero-length groups

Don't drop that

Playing with a new R package; Welcome ggcharts!

Thomas Neitman's ggcharts

Speed up your R scripts. A cool optimized way to load, write and store big data frames with FST package!

Unbeaten speed and file size! It's FST! x100 faster than write.csv()

Drop columns based on NAs percentage in R

Showing up several ways

Tidylog

Logging your pipelines

Using summarise_at(). Weighted mean Tidyverse approach

Survey analysis using R

List all the defined variables in Jupyter Notebooks

Kind of magic

Reordering bars in GGanimate visualization

Reorder your bar groups over time in gganimate plot.

Shadowing your ggplot2 lines. Forecasting confidence interval in R use case.

Plot your confidence interval easily with R! With ggplot2 geom_ribbon() function you can add shadowed areas to your lines. We show you how to deal with it!

Conditional Pipes

Don't leave the pipeflow

Data competition platforms

Kaggle is not all there!

Filtering a data frame by condition on multiple columns

The magic of filter_at(). Easily filtering a data frame by condition on multiple columns with R

Counting NAs by column in R

Benchmarking several functions