## Loading required package: sp
## Warning in rgl.init(initValue, onlyNULL): RGL: unable to open X11 display
## Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE
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## Attaching package: 'dplyr'
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##     intersect, select, union
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##     filter, lag
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##     intersect, setdiff, setequal, union
## Linking to GEOS 3.5.1, GDAL 2.1.2, proj.4 4.9.3
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## Attaching package: 'geojsonio'
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##     pretty
## ── Attaching packages ─────────────────────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──
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