Reads the jci file and modifies the timestamp intevals and based on location modifies the timezone using googleapi and then generates the useful columns
data_structure(df, col = "elec_cons", timestamp_col = "timestamp")a dataframe with fixed timestamps and useful cooumns
dataframe containing at least the timestamp column and the variable to be plotted with the heatmap
the character name of the column to be ploted
the character name of the timestamp column which i is the number of file in the list
Arash