Maintain and setup roadmap of this excellent Data Science / ML repo.
 Goal is to unified Data Science and Machine Learning .
 Basic idea is to have one single dictionary/json for
        model, compute, data definition,
 --> easy to define, easy to track, easy to modify.

 git clone 
 cd dsa2
 pip install -r zrequirements.txt

cd dsa2
python  titanic_classifier.py  preprocess    --nsample 1000
python  titanic_classifier.py  train         --nsample 2000
python  titanic_classifier.py  predict

 https://github.com/arita37/dsa2/issues/200

 https://github.com/arita37/dsa2/tree/main/example

    #### Data Over/Under sampling 

    #### Category, Numerical
    
    #### Text        

    #### Target label encoding

    #### Time Series 


    https://github.com/arita37/dsa2/issues/194