Convert a dataframe with observations over time into long format
Source:R/mkin_wide_to_long.R
      mkin_wide_to_long.RdThis function simply takes a dataframe with one independent variable and
several dependent variable and converts it into the long form as required by
mkinfit.
Arguments
- wide_data
- The dataframe must contain one variable with the time values specified by the - timeargument and usually more than one column of observed values.
- time
- The name of the time variable. 
Value
Dataframe in long format as needed for mkinfit.
Examples
wide <- data.frame(t = c(1,2,3), x = c(1,4,7), y = c(3,4,5))
mkin_wide_to_long(wide)
#>   name time value
#> 1    x    1     1
#> 2    x    2     4
#> 3    x    3     7
#> 4    y    1     3
#> 5    y    2     4
#> 6    y    3     5