melt_datawiz.RdDataWiz files have several columns F0, F33, F67, etc. for each time sample. This function converts a dataframe from such a file into a long format, where there is a single time column and single column of gaze responses.
melt_datawiz(df, key_col = "Time", value_col = "Look")
| df | a dataframe created by reading a datawiz file |
|---|---|
| key_col | the name of the new column that holds the time values |
| value_col | the name of the new column that holds the looking data at each time sample |
a long data-frame