Geet questions

• How to pivot_long pairs of date-var combinations with non-matching dates?
• Replace strings in variable using lookup vector
• Create variable in database using ALTER TABLE and UPDATE
• Match character vector in a dataframe with another character vector and trim character
• Filter different variables based on different conditions
• Number of rows in 40GB tar.gz file without uncompressing it?
• dplyr Replace values in multiple variables
• How to convert tar.gz file to zip using Python only?
• sparkr databricks error: too many open devices
• How to read data in chunks in Python dataframe?

Geet answers