deletions | additions       diff --git a/Data_preprocessing_and_independent_variables__.md b/Data_preprocessing_and_independent_variables__.md  index 696ef1b..e69788b 100644  --- a/Data_preprocessing_and_independent_variables__.md  +++ b/Data_preprocessing_and_independent_variables__.md 
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all demographic predictors with year in which the survey was administered.  ## Court case predictors  Court cases were grouped by circuit and year and then aggregated in different temporal time windows ranging from 1 to 10 years. For each time window and each circuit we computed the *number of liberal* and the *number of conservative decisions*. We also computed the *difference between the judge ideology on a given panel and its expected value*. To calculate this, we took the proportion of judges who were appointed by Democratic presidents on each panel, and subtracted the expected  proportionpredicted  based on the overall pool of judges in the circuit. circuit at the time of the case.  ## Integrating the data sources