New Feature: Survey Weighting

We’re happy to announce the deployment of survey weighting. If you have a dataset with a column of weights, here’s how to use it:

First, go to the variable settings by clicking the name of the dataset in the top left of the interface:
Screen Shot 2014-02-04 at 9.55.47 PM

Then, select which variable you would like to use as weights, using the rightmost column:
Screen Shot 2014-02-04 at 9.57.17 PM

Unless you uncheck that box, all future analyses will be weighted (though if you have a specific analysis that you’d like to not include weights, you can remove the weighting from that individual card):
Screen Shot 2014-02-04 at 9.58.04 PM

Weighting can also be used if each row of your data represents several cases. For example, if you have a table that looks like this:

Pet Color Count
Cat Grey 45
Cat Black 5
Dog Grey 92
Dog Black 9

In that case you could upload the data, indicate that “Count” is the column to weight by, and Statwing will produce the same results as if you had loaded a larger table with 45 rows of grey cats, 5 rows of black cats, etc.

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