Cheat

 Here is the list of 50 cheat sheets for Python, R, SQL, Apache Spark, Hadoop, Hive, Django & Flask for ML:

Python

  1. Python 3.8 cheatsheet -
    https://www.pythoncheatsheet.org/
  2. Python Cheat Sheet by DaveChild
    http://www.cheatography.com/davechild/cheat-sheets/python/
  3. Python Debugger Cheatsheet
    http://nblock.org/2011/11/15/pdb-cheatsheet/
  4. NumPy / SciPy / Pandas Cheat Sheet
    https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+SciPy,+NumPy+Cheat+Sheet.pdf
  5. Python Decorators cheatsheet
    https://yanbin.blog/wp-content/uploads/2019/01/decorators-cheatsheet.pdf
  6. Python Language & Syntax Cheat Sheet
    http://ddi.ifi.lmu.de/probestudium/2013/ws-i-3d-programmierung/tutorials/python-referenzkarte

R

  1. R cheat sheet (Google Drive)
    https://drive.google.com/folderview?ddrp=1&id=0ByIrJAE4KMTtcVBmdm1BOEZoeEk#
  2. R functions for Regression Analysis
    http://cran.r-project.org/doc/contrib/Ricci-refcard-regression.pdf
  3. R Reference Card
    http://cran.r-project.org/doc/contrib/Short-refcard.pdf
  4. R functions for Time series Analysis
    http://cran.r-project.org/doc/contrib/Ricci-refcard-ts.pdf
  5. R Reference Card for Data Mining
    http://cran.r-project.org/doc/contrib/YanchangZhao-refcard-data-mining.pdf
  6. R Cheat Sheet
    https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+R+Cheat+Sheet.pdf
  7. Data Analysis the data.table way
    https://s3.amazonaws.com/assets.datacamp.com/img/blog/data+table+cheat+sheet.pdf
  8. Interactive Web Apps cheatsheet by R studio
    http://shiny.rstudio.com/images/shiny-cheatsheet.pdf
  9. Data Wrangling cheatsheet
    https://www.rstudio.com/wp-content/uploads/2015/02/data-wrangling-cheatsheet.pdf
  10. R markdown cheatsheet
    https://www.rstudio.com/wp-content/uploads/2015/02/rmarkdown-cheatsheet.pdf
  11. R Markdown Reference guide
    https://www.rstudio.com/wp-content/uploads/2015/03/rmarkdown-reference.pdf
  12. R Data Management cheatsheet
    https://cheatography.com/xeonkai/cheat-sheets/data-management-in-r/
  13. R Cheatsheet for graphical parameters
    http://flowingdata.com/2015/03/17/r-cheat-sheet-for-graphical-parameters/
  14. RStudio cheat sheets
    https://www.rstudio.com/resources/cheatsheets/
  15. R DataTable cheat sheet
    https://www.infoworld.com/article/3575086/the-ultimate-r-datatable-cheat-sheet.html
  16. R Data visualisation cheat sheet
    https://www.maths.usyd.edu.au/u/UG/SM/STAT3022/r/current/Misc/data-visualization-2.1.pdf

SQL

  1. MySQL Cheatsheet by Dave child
    http://www.cheatography.com/davechild/cheat-sheets/mysql/
  2. SQL Cheat sheet
    http://www.sql-tutorial.net/sql-cheat-sheet.pdf
  3. SQL in one page
    http://www.sql.su/
  4. MySQL Reference guide
    http://cse.unl.edu/~sscott/ShowFiles/SQL/CheatSheet/SQLCheatSheet.html
  5. SQL for dummies
    http://www.dummies.com/how-to/content/sql-for-dummies-cheat-sheet.html

Apache Spark

  1. Apache Spark
    https://dzone.com/refcardz/apache-spark
  2. Scala cheatsheets 1
    http://docs.scala-lang.org/cheatsheets/
  3. Scala cheatsheets 2
    http://www.cheat-sheets.org/saved-copy/Scala_Cheatsheet.pdf
  4. Scala from DZone Reference Card
    https://dzone.com/refcardz/scala
  5. Spark cheatsheet on github
    https://github.com/KjellSchubert/cheatsheets/blob/master/spark.md
  6. Scala on Spark Cheatsheet
    http://www.openkb.info/2015/01/scala-on-spark-cheatsheet.html

Hadoop

  1. Hadoop for Dummies cheatsheet
    http://www.dummies.com/how-to/content/hadoop-for-dummies-cheat-sheet.html
  2. Getting Started Apache Hadoop Reference Card
    https://dzone.com/refcardz/getting-started-apache-hadoop
  3. Hadoop Command Line cheatsheet
    http://danielnee.com/2015/02/hadoop-command-line-cheatsheet/
  4. Working with HDFS from the command line - Hadoop Cheat sheet
    https://github.com/michiard/CLOUDS-LAB/blob/master/C-S.md

Hive

  1. Hive Function cheatsheet
    https://www.qubole.com/wp-content/uploads/2014/01/hive-function-cheat-sheet.pdf
  2. SQL to Hive cheatsheet
    http://hortonworks.com/wp-content/uploads/2016/05/Hortonworks.CheatSheet.SQLtoHive.pdf

Machine Learning

  1. Choosing the right estimator Machine Learning cheatsheet
    http://scikit-learn.org/stable/tutorial/machine_learning_map/
  2. Patterns for Predictive learning cheatsheet
    https://dzone.com/refcardz/machine-learning-predictive
  3. Machine learning algorithm cheat sheet for Microsoft Azure
    https://azure.microsoft.com/en-in/documentation/articles/machine-learning-algorithm-cheat-sheet/
  4. Machine Learning cheatsheet Github 1
    https://github.com/soulmachine/machine-learning-cheat-sheet
  5. Machine Learning cheatsheet Github 2
    https://github.com/rcompton/ml_cheat_sheet
  6. Machine Learning which algorithm performs best?
    http://www.lauradhamilton.com/machine-learning-algorithm-cheat-sheet
  7. Cheatsheet 10 machine learning algorithms R commands
    http://vitalflux.com/cheat-sheet-10-machine-learning-algorithms-r-commands/
  8. Patterns for Predictive Analytics
    https://dzone.com/refcardz/machine-learning-predictive

Django

  1. Django cheat sheet v.1
    https://www.creative-tim.com/blog/django-templates/django-cheat-sheet-free-samples/
  2. Django Reference Cheatsheet
    http://www.cheat-sheets.org/saved-copy/django_reference_sheet.pdf

Flask

  1. Flask Cheatsheet
    https://s3.us-east-2.amazonaws.com/prettyprinted/flask_cheatsheet.pdf

For Interview Q Bank, refer here - https://www.kaggle.com/general/252368

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