Problems with data

Visualizing the wrong data

Wrong Map Flights

Drawing insensitive comparisons

Insensitive Comparison Fox

Choosing a biased sample

Sample Bias Walks Recorded Apple Maps

Problems with comparisons/conclusions

Confusing the effect for the cause

Effect V Cause Human Trafficking

Choosing an incorrect basis for comparison

Bad Map Impeach

Changing the basis for comparison

Shifting Base Race Murders

Confusing correlation and causation

Correlation V Causation Masks

Confusing correlation and causation

Correlation V Causation Masks

Problems with axes

Using inconsistent chart axes

Bad Axis Candidate Ages

Using inconsistent chart axes

Bad Axis Label Covid

Using inconsistent chart axes

Bad Labels Coronavirus

Problems with graphics

Cluttering your graph

Cluttered Graph Deaths

Using numbers or text instead of graphics

Big Numbers Alabama Covid

Choosing illegible colors

Illegible Colors

Choosing inconsistent colors

Bad Color Bars

Distorting chart proportions

Distorted Chart Spain

Distorting chart proportions

Distorted Chart India

Using misleading icons

Icons Instead Of Bars Women