9.4 Aesthetics
= tm_shape(nz) + tm_fill(col = "red")
ma1 = tm_shape(nz) + tm_fill(col = "red", alpha = 0.3)
ma2 = tm_shape(nz) + tm_borders(col = "blue")
ma3 = tm_shape(nz) + tm_borders(lwd = 3)
ma4 = tm_shape(nz) + tm_borders(lty = 2)
ma5 = tm_shape(nz) + tm_fill(col = "red", alpha = 0.3) +
ma6 tm_borders(col = "blue", lwd = 3, lty = 2)
tmap_arrange(ma1, ma2, ma3, ma4, ma5, ma6)