itjcms18 questions

• changing height (feet and inches) to an integer in python pandas
• Insert number above the diagonal in R matrix
• Find the non-intersecting values of two arrays
• dplyr and tail to change last value in a group_by in r
• percentile rank in pandas in groups
• scale/normalize columns by group
• applying regex to a pandas dataframe
• select pandas rows by excluding index number
• sorting by a custom list in pandas

itjcms18 answers