Sergey Bushmanov

Sergey Bushmanov has asked 6 questions and find answers to 41 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

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

Equivalent R "findcorrelation(corr,cutoff = 0.75)" in python pandas
Display csv with candlestick_ohlc
Calculate cosine similarity for between all cases in a dataframe fast
Most Frequent Words from Sentences grouped by category
Hurst Exponent in python
How to install Xgboost on macOS compiled with GPU Support?
Is there a retain function in python? I want to transfer SAS code to python
What features of xgboost are affected by seed (random_state)?
Kernel Died when running Neuralcoref
Pandas dataframe apply function to column strings based on other column value