摘要：http://stackoverflow.com/questions/33944129/python-library-for-data-scaling-centering-and-box-cox-transformation http://shahramabyari.com/2015/12/20/d 阅读全文
caret 分类回归树 用法
2017-04-18 17:33 by xplorerthik, 448 阅读, 0 推荐, 收藏, 编辑
摘要：http://topepo.github.io/caret/feature-selection-overview.html 阅读全文
ensemble 的2篇入门 文章
2017-04-18 16:51 by xplorerthik, 151 阅读, 0 推荐, 收藏, 编辑
摘要：python 篇： http://machinelearningmastery.com/ensemble-machine-learning-algorithms-python-scikit-learn/ http://machinelearningmastery.com/compare-machin 阅读全文
数组 array 矩阵 list 数据框 dataframe
2015-08-11 16:56 by xplorerthik, 943 阅读, 0 推荐, 收藏, 编辑
摘要：转自 ： http://blog.csdn.net/u011253874/article/details/43115447#R语言备忘录三##数组array和矩阵matrix、列表list、数据框dataframe#数组#数组的重要属性就是dim，维数#得到4*5的矩阵z、、、、、、、、、、、、、、... 阅读全文
R list frame, matrix
2015-08-11 16:55 by xplorerthik, 167 阅读, 0 推荐, 收藏, 编辑
摘要：list是个筐，什么都可以往里装，包括它自身。数据框是个二维数组，同列必须同类型，行随意。 阅读全文
R 如何 隐藏坐标轴
2015-08-11 16:07 by xplorerthik, 1531 阅读, 0 推荐, 收藏, 编辑
摘要：x = c(7,5,8)dim(x)<-3names(x)<-c("apple","banana", "cherry")plot(x, type="b",xaxt="n", xlab="fruits",ylab="number")axis(1,1:3,labels = names(x))#矢量表示x... 阅读全文
杀毒软件 avg
2015-07-31 09:40 by xplorerthik, 176 阅读, 0 推荐, 收藏, 编辑
摘要：http://filehippo.com/download_avg_antivirus_64R studio:https://www.rstudio.com/products/rstudio/download/R language:https://www.r-project.org/ 阅读全文
coordinatewise 是什么意思？
2015-07-30 09:11 by xplorerthik, 2037 阅读, 0 推荐, 收藏, 编辑
摘要：As far as I remember, in the context of optimization, "coordinate wise" means that you are manipulating each coordinate independently with the only cr... 阅读全文