caldwellst questions

caldwellst answers

• In R how would you replace values in a matrix that have a certain condition with values from another vector?
• Passing map() .x to a function
• Perform mutate function only if variable exists
• Why is mutate_at not creating a different name for new column when I pass it only one column in vars()?
• What's the preferred means for defining an S3 method in an R package without introducing a dependency?
• Do attribute assignment operators need to be declared in NAMESPACE? How?
• How to get ride of polygon borders using geom_sf in ggplot2
• How can I save a list of lists as a column into a data.frame object in R
• align ggplot map plots with coord_equal()
• Calculating distance between coordinates and reference point