Learning Data

Topics › Analytics engineering › In the weeds of data crafting

Say what one row is, and when

Four labs, one idea each, in the order of the film. Declare the grain of three outputs, double the rows with a join and fix it, step through Aisha's year, and choose which date dates each version. Your progress stays in this browser.

Labs

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Make the call →

Eight situations a data team really faces. Decide what you'd do; each answer explains why and points back to the lab that covers it.