2Obe

2Obe has asked 11 questions and find answers to 7 problems.

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Standing at the mystic data science forest's edge - watching the deep green trees staggering gently in the warm wind and smelling the sweet odor of an big adventure - I am truly grateful

2Obe questions

Estimate the needed sample size for a Chi Squared test
Plot city names for lon,lat coordinates
Write List of DataFrames to Excel using to_excel()
Pandas difference between apply() and aggregate() functions
Seaborn heatmap change size of colorbar
Why is numpy.linalg.pinv() preferred over numpy.linalg.inv() for creating inverse of a matrix in linear regression
Jupyter Notebook - Plot inside a function - Figure is not plotted [duplicate]
Pandas Merge returns NaN
Lambda including if...elif...else

2Obe answers

Python - pandas export to csv or dat file removing None or numpy.nan
pandas - Count streak of values higher/lower than current rows
Why doesn't my pandas rolling().apply() work when the series contains collections?
How to get moving average of past months in Pandas
How to load multiple images in a numpy array ?