ulfelder

ulfelder has asked 6 questions and find answers to 15 problems.

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About

Social scientist turned data scientist. Adept in R.

ulfelder questions

How can I read a table in a loosely structured text file into a data frame in R?
Baffling error using dataprep function in R Synth package
Create sequential counter that restarts on a condition within panel data groups [duplicate]
Using R to scrape the link address of a downloadable file from a web page?
Unexpected behavior with n_distinct inside pipe

ulfelder answers

R: Combining identical rows into one (preferably using dplyr/tidyr) [duplicate]
R Multiply specific rows and columns by constant
Create categorical variable from mutually exclusive dummy variables [duplicate]
map over columns and apply custom function
R Setting Y Axis to Count Distinct in ggplot2
Choose a month of a year to rank then give resulting ranks to the rest years
Obtaining year-on-year percentage change by group
Replace Values in Dataframe Column based on match in second data frame columns
Tracking which group fails in a dplyr chain
How do I create daily time series starting from a specific date