Sam Firke

Sam Firke has asked 20 questions and find answers to 50 problems.

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About

Data analyst, r user, developer of the janitor package for data cleaning.

Sam Firke questions

Reading text into data.frame where string values contain spaces
Count identical row values for each pair of columns to create network graph
Parentheses in error message cause expect_error test to fail
Unit tests for deprecated functions in R package cause warnings during check
Dropping a column from a data.frame causes unwanted loss of an attribute
Check if a function name is used in existing CRAN packages
Specify the dots argument when calling a tidyselect-using function without needing to specify the preceding arguments
Configuring codecov token in GitHub Actions .yaml for an R package
Plot dashed regression line with geom_smooth in ggplot2
Associate a color palette with ggplot2 theme

Sam Firke answers

calculate ratio of two factors for each visit using dplyr
error in evaluating the argument 'drv' in selecting a method for function 'dbConnect': could not find function "MySQL"
Aggregating by unique identifier and concatenating related values into a string [duplicate]
rowwise() sum with vector of column names in dplyr
Error message using read_excel "Error: std::bad_alloc"
Count based on multiple conditions from other data.frame
geom_point: Put overlapping points with highest values on top of others
Regular expression matching inside dplyr
Note in R CRAN check -- * checking top-level files ... NOTE File README.md cannot be checked without ‘pandoc’ being installed
Why do I get an error of can't make a table of more 2^31 elements in R