Production Data Quality Functions
Outlier and downtime screening before a decline fit.
2 functions
PO.DCA.Data.OutlierFlag(time, rate, window, nSigma)
Flags outliers using rolling window Z-score analysis. Returns TRUE for data points that are outliers based on local statistics.
PO.DCA.Data.Clean(time, rate, window, nSigma)
Cleans production data by interpolating over outlier points. Returns cleaned rate array with outliers replaced by interpolated values.