[R-package] GPL2 dependency reduction and some fixes (#1401)

* [R] do not remove zero coefficients from gblinear dump

* [R] switch from stringr to stringi

* fix #1399

* [R] separate ggplot backend, add base r graphics, cleanup, more plots, tests

* add missing include in amalgamation - fixes building R package in linux

* add forgotten file

* [R] fix DESCRIPTION

* [R] fix travis check issue and some cleanup
This commit is contained in:
Vadim Khotilovich
2016-07-27 02:05:04 -05:00
committed by Tong He
parent f6423056c0
commit d5c143367d
19 changed files with 548 additions and 312 deletions

View File

@@ -49,7 +49,7 @@ xgb.plot.multi.trees <- function(model, feature_names = NULL, features_keep = 5,
# first number of the path represents the tree, then the following numbers are related to the path to follow
# root init
root.nodes <- tree.matrix[str_detect(ID, "\\d+-0"), ID]
root.nodes <- tree.matrix[stri_detect_regex(ID, "\\d+-0"), ID]
tree.matrix[ID %in% root.nodes, abs.node.position:=root.nodes]
precedent.nodes <- root.nodes
@@ -70,7 +70,7 @@ xgb.plot.multi.trees <- function(model, feature_names = NULL, features_keep = 5,
remove.tree <- . %>% str_replace(pattern = "^\\d+-", replacement = "")
remove.tree <- . %>% stri_replace_first_regex(pattern = "^\\d+-", replacement = "")
tree.matrix[,`:=`(abs.node.position=remove.tree(abs.node.position), Yes=remove.tree(Yes), No=remove.tree(No))]