A S4 class for the Interval level result of an Intensity analysis. Can be
plotted with the plot method plot.
Details
The slot intervalData receives a table containing 4 columns
in the following format:
Period:
<fct>. The period of interest [Yt, Yt+1].PercentChange:
<dbl>. Changed area on the Interval level (%).St:
<dbl>. Annual intensity of change for a time period [Yt, Yt+1].U:
<dbl>. Uniform intensity for a LUC category change in a time period of interest.