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Intermediate

Data Analysis and Visualization

Summaries and charts that do not overclaim.

Look at missingness first

A chart of prices with silent filled blanks is a fiction. Data Lab shows blank prices as missing.

Look at missingness first

A chart of prices with silent filled blanks is a fiction. Data Lab shows blank prices as missing.

Label the demo

If the series is synthetic, the chart title says so. A partner should not have to guess.

Label the demo

If the series is synthetic, the chart title says so. A partner should not have to guess.

Quiz

Data Lab prices in this preview are:
Data Lab prices in this preview are:
Before trusting an average you should check:
Before trusting an average you should check: