Konrad

Konrad has asked 69 questions and find answers to 81 problems.

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About

I've an interest in R, R/Shiny and mixing R with other languages.

Konrad questions

Using Swift as custom engine in knitr and including all previous content
Getting name of a function passed as an argument to a function
Count number of arguments passed to function
Calculating columns with row percentage after obtaining sums by group in dplyr
Obtaining year-on-year percentage change by group
Running aggregate function within dmapply (ddR package)
R: ggplot2 with geom_map returns "x and units must have length > 0" error despite values converted to factors
Efficient way of simultaneously deriving count of unique values and summary values for grouped values in dplyr
Matching last and first bracket in gsub/r and leaving the remaining content intact
Using select-like mechanism to select variables for distinct call in dplyr

Konrad answers

Supressing Warnings in scale_x_datetime
In R, how do I drop a column whose values are all FALSE?
Use dplyr conditional filter in reactive function in Shiny
how to import a text file into R as a character vector
Lower Case Certain Words R
Rounding values in a dataframe in R [duplicate]
R rounding numbers [duplicate]
How to merge two columns in R with a specific symbol?
R returning partial matching of row names
Abbreviating a UUID