Draw Venn Diagram of two or three character vectors

utility function to draw Venn diagram of two or three character vectors. User need to specify category names and file name to store png file.

draw_venn(x, cat.name, f.name)

Arguments

x	A list of character vectors.
cat.name	A character vector of category names
f.name	A string. output file name.

Value

A png file. Venn Diagram of two or three sets

Author

Seongyong Park (2020-08-18)

Examples

x1 = as.character(c(1:5))
x2 = as.character(c(3:10))
draw_venn(list(x1, x2), cat.name=c("x1", "x2"), f.name="test.venn.png")
#> [1] 1