This function returns either NULL (if measurements_per_day is 0) or a matrix of weekday dummy variables specified number of rows and measurements per day. In the latter case, we return a matrix of six columns.
Usage
day_dummies(number_of_rows, measurements_per_day)
Arguments
number_of_rows
the number of rows in the input data set.
measurements_per_day
the number of measurements per day in the input data set.
Value
Either NULL or a matrix with number_of_rows rows and 6 columns.