Allen

Allen has asked 18 questions and find answers to 85 problems.

Stats

About

By Day: I work with data and try to make some sense out of it.
By Night: I spend time with family and 3 kids.
For Fun: Love running and playing Table Tennis, help me stay mentally and physically sharp and focused.

Allen questions

SQL: Rolling sum in the last 30 days by groups
Seaborn: How to create a bar plot with 2 variables for each group?
Perl Regular Expression cannot find fancy quotes “
Change all column names in chained operation
Sum the squared difference between 2 Numpy arrays [duplicate]
PyTorch: How do the means and stds get calculated in the Transfer Learning tutorial?
Perl Print function does not work properly when Sleep() is used
Numpy einsum broadcasting
Numpy: Reshape array along a specified axis
Python Argparse - Set default value of a parameter to another parameter

Allen answers

Replace empty list values in Pandas DataFrame with NaN
Pandas- split a multiple index dataframe
pandas group by, aggregate using multiple agg functions on input columns
Pandas: Add columns to DataFrame based off existing column
TypeError: unhashable type: 'list' when use groupby in python
Variable Moving Average
create a NxN matrix from one column pandas
What is the most pythonic way to apply a function on and return multiple columns?
Pandas pivot table for multiple columns at once
Pandas: Using variables to create dataframe with one row and column names from variable names