Emman

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Emman has asked 65 questions and find answers to 7 problems.

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Emman questions

Traveling between nesting levels in a tibble: how to refer to data stored in upper levels of nesting hierarchy
Is there a faster way to recode character data when it's actually a factor?
In a tibble that has list-columns containing data frames, how to wrap mutate(foo = map2(...)) with a custom function?
How to complete barplot bars to 100% with a distinct style?
How to remove object properties with negative values, regardless of depth?
Coalesce columns and create another column to specify source
Calculate proportion of several binary variables by another variable
How to speed up `expand.grid()` in R?
Any speedier alternatives to tidyr::unnest_longer() when dealing with nested named vectors?
Overriding discrete x axis labels in a fool-proof way to avoid mismatching labels & data

Emman answers

How to summarize data by-group, by creating dummy variables as the collapsing method
How to blur part of a plot in ggplot?
list.files - exclude folder
Using filter() with across() to keep all rows of a data frame that include a missing value for any variable