Chart plot formats with ggplot2

ggplot.R

library(ggplot2)
library(grid)

ggplot(data, aes(x=x, y=y)) +
  geom_point() +
  # geom_line() +
  ylab('y label') + 
  xlab('x label') + 
  theme_bw() +
  scale_color_manual(values = c('#023F8A', '#BF4D28')) +
  theme(legend.position = 'none') +
# theme(legend.position=c(0.88,0.88), legend.background = element_rect(colour=NA), legend.title = element_blank()) +
  theme(axis.title.x=element_text(size=16, family='Open Sans Light', vjust=0)) +
  theme(axis.title.y=element_text(size=16, family='Open Sans Light', vjust=0)) +
  theme(axis.text.x = element_text(size=12, family='Open Sans Light')) +
  theme(axis.text.y = element_text(size=12, family='Open Sans Light')) +
  theme(plot.margin = unit(7,7,7,7), 'mm')