wapor_extract: Extract and summarize index values per polygon

In mapme-initiative/mapme.agriculture: Access to FAO WaPOR data for agricultural monitoring

Description

This function can be used to extract and summarise the data output by the wapor_indices function on a polygon basis. The data is returned as a list object with several tables in long-format. These objects are:

• Land Cover Statistics (lcc_stats): breakpoint, median land use, modal land use

• Land Cover Frequency (lcc_freq): the averaged frequency of occurence for selected land cover classes

• Indices (indices): Averaged yearly statistics of the raw parameters as well as LP1_global and LP1_yearly

• Double Season: Class specific occurence of double seasons per year

• Double Season Difference: Difference in number of double season in pre- and post epoch

• Epoch Differences: Differences in productivity for raw parameters

• Trends: Estimates and p-values of a linear trend per parameter

Usage

wapor_extract(input_files, aoi)

Arguments

input_files	A charachter vector pointing to a complete set of output files from the wapor_indices() function
aoi	A sf-object with optionally multiple polygons for which to extract the index information.

Value

A list of tibble objects. See the decription for details.

mapme-initiative/mapme.agriculture documentation built on Dec. 21, 2021, 1:49 p.m.