====== W02-1: Explore the field data ======


===== Things you need for this worksheet =====
  * {{section>en:resources:templates:tools#R environment&inline}}
  * {{section>en:resources:templates:tools#R studio&inline}}



===== Learning log assignments =====

:-) Create a new dataframe which only contains the plots of the year 2015.

Do the following tasks with this subset:

:-) Please create new variables, that represents the total vegetation cover of the plots

:-) Please figure out the functions for some general descriptive statistics: mean, median, standard deviation, maximum and minimum. Let's try those on the total vegetation cover

:-) Please visualize the vegetation cover using a boxplot

:-) Please visualize the relation between elevation and vegetation cover. Is there a relationship?

:-) Visualize the differences in vegetation cover for each land cover class