color

color function can return safer colors than ggplot2’s default.
fix cond, should be or not and
change description
split title and description
rename color to dsg_color

avoid using the same name in ggplot2
dsg_theme

Actually right now there is no difference between theme_classic()…
calculate correct num by data frame
change order of colors
Revert "change order of colors"

This reverts commit ac382fb290a62145111ad299e512aadfd84b7aea.
generate label with math formula
export label_function w/ example
add example to dsg_color, reorder color
Merge pull request #3 from bxshi/dev

new functions for plot