How to highlight an entire row in a Tableau table

How to highlight an entire row in a Tableau table

Help users keep track of what they’re looking at as they scroll horizontally.

How bad data quality is losing your business money every day

How bad data quality is losing your business money every day

From miscalculations to missed opportunities, bad data quality can be expensive.

3 things I learned by doing the Tableau exam

3 things I learned by doing the Tableau exam

Improve your understanding of Tableau by studying for the certification exam.

A different way to show correlations

A different way to show correlations

The roof-shaped matrix is a great alternative to a standard correlation matrix.

Data relationships vs. data joins in Tableau

Data relationships vs. data joins in Tableau

Find out which problem data relationships solve, and why they’re so useful.

Global coffee production and crop yields

Global coffee production and crop yields

Explore how coffee production has changed over the last six decades.

Netflix vs. Disney+

Netflix vs. Disney+

Explore the competition between these two streaming giants.

How to check the accuracy of your classification model

How to check the accuracy of your classification model

Introduction to accuracy score, confusion matrix, and F1-score.

How to build a decision tree model with scikit-learn

How to build a decision tree model with scikit-learn

A step-by-step guide to building a classification model with scikit-learn.

How to split your data into train and test sets

How to split your data into train and test sets

Get confidence your model works by testing on a test set.

How to encode categorical variables ready for machine learning

How to encode categorical variables ready for machine learning

Find out how to deal with categorical variables when using machine learning.

Chart rebranding challenge

Chart rebranding challenge

Check out the before and after versions of my Lego branded bar chart.