Is it possible in R to create a color key like the one below? (this one comes from the software Grid Analysis and Display System - Grads). There are two fe
transport-layer-protocol
scrollto
zend-db
visual-artifacts
angular2-hostbinding
shapefile
jchart2d
shading
macos-catalina
nexe
qcalendarwidget
variadic-macros
winsxs
lightstep
rendermonkey
libudev
butterknife
nest-dynamic-modules
hivecli
.net-1.1
typescript-namespace
scriptprocessor
microsoft-word
postgresql-9.3
expo-camera
litepie-datepicker
destroy
subobject
pyodbc
traversable
