Data School

Impute missing values using KNNImputer or IterativeImputer

Should I shuffle samples with cross-validation?

Use stratified sampling with train_test_split

Going deeper with dplyr: New features in 0.3 and 0.4 (tutorial)

What is pandas? (Introduction to the Q&A series)

Making sense of the confusion matrix

Get the feature names output by a ColumnTransformer

Tune the parameters of a VotingClassifer or VotingRegressor

Data science in Python: pandas, seaborn, scikit-learn

Three reasons not to use drop=first with OneHotEncoder

pandas best practices (6/10): Using string methods

Getting started in scikit-learn with the famous iris dataset

How to evaluate a classifier in scikit-learn

How do I sort a pandas DataFrame or a Series?

How do I select multiple rows and columns from a pandas DataFrame?

Use Pipeline to chain together multiple steps

My top 50 scikit-learn tips

How do I filter rows of a pandas DataFrame by column value?

How do I encode categorical features using scikit-learn?

pandas best practices (1/10): Introducing the dataset

How do I apply multiple filter criteria to a pandas DataFrame?

How do I make my pandas DataFrame smaller and faster?

Web scraping in Python (Part 2): Parsing HTML with Beautiful Soup

How do I change the data type of a pandas Series?

Drop the first category from binary features (only) with OneHotEncoder

Use OrdinalEncoder instead of OneHotEncoder with tree-based models

Introduction to model ensembling

Forking a GitHub Repository

Course outline: Master Machine Learning with scikit-learn

Cost-sensitive learning in scikit-learn

Speed up GridSearchCV using parallel processing

Load a toy dataset into a DataFrame

Create an interactive diagram of a Pipeline in Jupyter

21 more pandas tricks

Tune multiple models simultaneously with GridSearchCV

Access part of a Pipeline using slicing

Committing Changes in Git and Pushing to a GitHub Repository

How do I rename columns in a pandas DataFrame?

How do I use pandas with scikit-learn to create Kaggle submissions?

Getting started with machine learning in Python (webcast)

How do I remove columns from a pandas DataFrame?

Web scraping in Python (Part 4): Exporting a CSV with pandas

Hands-on dplyr tutorial for faster data manipulation in R

pandas best practices (2/10): Removing columns

Create feature interactions using PolynomialFeatures

My top 25 pandas tricks

How do I handle missing values in pandas?

How do I explore a pandas Series?

Troubleshooting: Updates Rejected When Pushing to GitHub

Copying a GitHub Repository to Your Local Computer

How do I create dummy variables in pandas?