Calum You

Calum You has asked 3 questions and find answers to 69 problems.

Stats

About

Calum You questions

How can I avoid a loop when replacing values in a dataframe by row-column indexing?

Calum You answers

Split strings into smaller ones to create new rows in a data frame (in R)
How to mark points by whether or not they are within a polygon
group_by dplyr is not grouping
Convert list column to column of strings
In R create new column with name of column closest in value to target
Check if column value is in between (range) of two other column values
Pass function arguments by column position to mutate_at
Purrr filter the nested data based on unnested variable containing character vectors
guess coordinate system from x and y in meters, and approximate corresponding long and lat
dplyr mutate specific columns by evaluating lookup cell value