deschen

deschen has asked 23 questions and find answers to 10 problems.

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deschen questions

index/match equivalent in R for merging data frames in a tidy way
tidyverse mutate with an external vector whose elements are column values in a data frame
print option `n = Inf` now leads to an error "invalid 'na.print' specification" [closed]
tidyverse combine a lagged row value + certain character if condition is met
convert string with hidden characters
R - How to name contrasts in a dataframe
How to round a vector of values so that the sum of the rounded values will always add up to a certain number (here 100)
R tidyverse how to do two pivot_longer after each other instead of a single one
tidyverse pivot_longer several sets of columns, but avoid intermediate mutate_wider steps [duplicate]
Conditional cumulative sum from two columns

deschen answers

dplyr how to calculate percent of multiple columns and output columns with custom names
How do I generate a new column using a conditional which evaluates values against a vector?
From two dataframes with related data, fill columns in the first one (occurrences of a value in 2nd) and merge info
Join list to dataframe in R
tidyverse pivot_longer several sets of columns, but avoid intermediate mutate_wider steps [duplicate]
storing an R function output list in a column of lists for further processing
How to convert multiple rows with same ID to single rows
Remove empty lists from a tibble in R
Create and fill new columns based on range information from two other columns
Converting factors to binary in R