Performs a modified version of the t test to assess the
correlation between spatial processes. See SpatialPack::modified.ttest for details.
Usage
spatial_t_test(data, variables)
Arguments
- data
sf data to extract coordinates or two
columns matrix or data.frame specifying coordinates.
- variables
character vector with column names to perform ttest
Value
a data.frame with the correlation and p-value for each pair
of variables