Clean/process data

JavaScript basics
For data processes in Protobi

Example data process

Filter or remove respondents

Combine multiple waves of a study

Join additional data to an existing project

Call data from multiple projects

Asynchronous vs Simple data process

Stack survey data loops

Combine month and year values into a single date

Calculate time between dates

Replace missing values with zeros

Modify many elements using data process loops

Temper market share data
