[R] how to make the figure more clearly

Dear all when i draw some figures by R, i try to use jpeg to display my result. However, it isn't still clear as i want. Especially when i compare the origial figures by R and the .jpeg file the code is follwed jpeg(filename=,width = 1200, height = 800, pointsize = 14) ..

Re: [R] how to make the figure more clearly

Abelian-2 wrote: Dear all when i draw some figures by R, i try to use jpeg to display my result. However, it isn't still clear as i want. Especially when i compare the origial figures by R and the .jpeg file JPEG is designed for photos (the P stands for Photographic). The compression