HappyPy questions

• Replace part of string using a regular expression
• error with global name when running a script from another script - python
• eroding several layers of an array
• saving variables within function - python
• join rows of different files in python
• use pd.melt to transform columns into two separate variable-value columns
• how to write user-defined column names to a csv file using pandas?
• creating subscripts inside scale_x_discrete
• mixed-models with two random effects - statsmodels
• how to replace elements in a column using pandas

HappyPy answers