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PV8 has asked 4 questions and find answers to 13 problems.

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PV8 questions

Balanced_accuracy is not a valid scoring value in scikit-learn
Convert all columns from int64 to int32
Loading multiple csv files of a folder into one dataframe

PV8 answers

Cant read csv files using pandas in Visual Code
Compare two dataframe columns for matching percentage
Unable to connect SQLState=08004 [Oracle][ODBC][Ora]ORA-12154: TNS:could not resolve the connect identifier specified in ms odbc administrator
The sklearn.* module is deprecated in version 0.22 and will be removed in version 0.24
Why are all labels_ are -1? Generated by DBSCAN in Python
Number of classes, 4, does not match size of target_names, 6. Try specifying the labels parameter
classes should include all valid labels that can be in y
What does the ordering/index of cluster_centers_ represent in KMeans clustering SKlearn
Why does Jupyter Notebook suddenly slow down so much?
what is difference between metrics.r2_score and acccuracy_score