calc_nngeo_and_save: Nearest neighbour and temp save for purrr iteration

In rainer-rq-koelle/COVID19airtraffic: COVID19 impact on air transportation

Description

Wrapper function to have the (i) nearest neighbour and (ii) save while iterating over large dataset. This is to reduce the risk of loosing the work, if things fail or are switched off :) The OSN data set for 2019 is about 7 mio flights without id for lat/lon. That runs for days ...

Usage

calc_nngeo_and_save(.sf_pts, .poly, .prefix, .pth = pth, ...)

Arguments

.sf_pts	sf dataframe of lat/lon
.poly	world polygons
.prefix	any code for the tmp folder
.pth	path to store temp files

Examples

## Not run: 
 calc_nngeo_and_save(sf_pts, world, "DEP")
 
## End(Not run)

rainer-rq-koelle/COVID19airtraffic documentation built on March 26, 2021, 5:18 a.m.