Create named list for EGRET analysisSource:
Create a named list with the INFO, Daily, and Sample dataframes, and surface matrix. If any of these are not available, an NA should be
dataframe containing the INFO dataframe
dataframe containing the daily data
dataframe containing the sample data
matrix returned from
modelEstimation. Default is NA.
eList named list with Daily, Sample, and INFO dataframes, along with the surfaces matrix. Any of these values can be NA, not all EGRET functions will work with missing parts of the named list eList.