[Under development] Kala is an R package that takes one or more instantiated cohort as input and produces time series features, decomposition's, statistical summaries and convenient visualizations.
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Use FeatureExtraction temporal covariates to create time series plot relative to index_date (cohort_start_date) #3
Temporal covariates allows computing cohort level features for specified time-windows in relation to index date.
These maybe used in time-series analysis.
index_date maybe considered as 'interruption' - with tests for before and after