mkin_wide_to_long: Convert a dataframe with observations over time into long format.
Description
This function simply takes a dataframe with one independent variable and several
dependent variable and converts it into the long form as required by modCost.
Usage
mkin_wide_to_long(wide_data, time = "t")
Arguments
wide_data
The dataframe must contain one variable with the time values specified by the
time argument and usually more than one column of observed values.