Stefan

Stefan has asked 5 questions and find answers to 111 problems.

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About

Economist, entrepreneur and data scientist. Author of

Machine Learning for Algorithmic Trading
Hands On Unsupervised Learning
Mastering Unsupervised Learning
Importing and Managing Financial Data in Python
Manipulating Time Series Data in Python

Stefan questions

Python multiprocess with pool workers - memory use optimization
Vectorize haversine distance computation along path given by list of coordinates
Copy text between parentheses in pandas DataFrame column into another column
How to insert pandas dataframe via mysqldb into database?

Stefan answers

Linear regression using Python (Pandas and Numpy)
Transform pandas Timestamp to end of current month
how to read date and time on ecmwf file
Pandas: How do I split multiple lists in columns into multiple rows?
Auto Regressive (AR) model using Maximum Likelihood Estimator in pandas dataframe: correlate() got an unexpected keyword argument 'old behavior'
More efficient way to mean center a sub-set of columns in a pandas dataframe and retain column names
How to get an intraday price - volume plot in Pandas?
Rank by grouby column aggregate
Undo a Series Diff
StratifiedKfold over heterogeneous DataFrame