Sergey Bushmanov

Sergey Bushmanov has asked 10 questions and find answers to 67 problems.

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About

I'm a financial analyst (CFA) turned ML Engineer.
I code in Python, R, Scala, SQL (and have had some exposure to Julia and Fortran).
I'm here to help people having difficulty programming and understanding DS and ML.

Sergey Bushmanov questions

Change case of text in bash while looping through declared variable names [duplicate]
Do spark.implicits exist for pyspark session?
What is the intuition behind recursive algorithms with Streams?
How to find which library prevents updating a package in conda?
ColumnTransformer with TfidfVectorizer produces "empty vocabulary" error
Hadoop Yarn: How to limit dynamic self allocation of resources with Spark?
Spark 2.0: Redefining SparkSession params through GetOrCreate and NOT seeing changes in WebUI
Warnings while building Scala/Spark project with SBT

Sergey Bushmanov answers

Remove array([]) brackets to create clean array for matrix equations
Subclassing sklearn LinearSVC for use as estimator with sklearn GridSearchCV
Why am I getting 'last step of pipeline' error when using make_pipeline in scikit-learn?
What do maskers really do in SHAP package and fit them to train or test?
How to append new columns to a pandas groupby object from a list of values
How to find rows with column values having a particular datatype in a Pandas DATAFRAME
Difference between Shapley values and SHAP for interpretable machine learning
error received when convert a pandas dataframe to spark dataframe
How to extract the actual values from the shap summary plot
Summing up values for rows per columns starting with 'Col' [duplicate]