Grouped bar Graph using barplot [duplicate]
问题 Possible Duplicate: How to create grouped barplot with R Species Dbh Height 1 DF 383.7143 254.3036 2 ES 403.3333 280.0000 3 F 372.0000 270.0000 4 FG 381.5000 275.0000 5 GF 351.5838 242.6522 6 HW 209.0000 198.0000 7 LP 232.8571 218.3333 8 PP 568.5000 330.0000 9 SF 136.4286 154.1000 10 WC 375.0757 234.8777 11 WL 340.0588 252.5714 12 WP 319.7273 251.3939 I want to turn the data above into a bar graph like this one. Species as bins and dbh and height as bars for each bin. I used the code: