tree dca724152849cc3c22e895c97e2f152a5ca15f3e
parent f1860239031f6d22a10fd72d5875c9fdb0d95d0b
author Hao Zhu <haozhu233@gmail.com> 1598416009 -0400
committer Hao Zhu <haozhu233@gmail.com> 1598416009 -0400

added spec_image, spec_hist, spec_boxplot and fixed some cran comments