## ----setup, include=FALSE, message=FALSE-------------------------------------- knitr::opts_chunk$set(echo = TRUE) library(NNS) library(data.table) data.table::setDTthreads(2L) options(mc.cores = 1) Sys.setenv("OMP_THREAD_LIMIT" = 2) ## ----setup2, message=FALSE, warning = FALSE----------------------------------- library(NNS) library(data.table) require(knitr) require(rgl) ## ----rhs, rows.print=18------------------------------------------------------- NNS.reg(iris[,1:4], iris[,5], residual.plot = FALSE, ncores = 1)$rhs.partitions ## ----NNSBOOST,fig.align = "center", fig.height = 8,fig.width=6.5, eval=FALSE---- # test.set = 141:150 # # a = NNS.boost(IVs.train = iris[-test.set, 1:4], # DV.train = iris[-test.set, 5], # IVs.test = iris[test.set, 1:4], # epochs = 10, learner.trials = 10, # status = FALSE, balance = TRUE, # type = "CLASS", folds = 1) # # a$results # [1] 3 3 3 3 3 3 3 3 3 3 # # a$feature.weights # Petal.Width Petal.Length Sepal.Length # 0.4285714 0.4285714 0.1428571 # # a$feature.frequency # Petal.Width Petal.Length Sepal.Length # 3 3 1 # # mean( a$results == as.numeric(iris[test.set, 5]) ) # [1] 1 ## ----NNSstack,fig.align = "center", fig.height = 8,fig.width=6.5, message=FALSE, eval= FALSE---- # b = NNS.stack(IVs.train = iris[-test.set, 1:4], # DV.train = iris[-test.set, 5], # IVs.test = iris[test.set, 1:4], # type = "CLASS", balance = TRUE, # ncores = 1, folds = 1) # # b ## ----stackeval, eval = FALSE-------------------------------------------------- # $OBJfn.reg # [1] 1 # # $NNS.reg.n.best # [1] 1 # # $probability.threshold # [1] 0.43875 # # $OBJfn.dim.red # [1] 0.9798658 # # $NNS.dim.red.threshold # [1] 0.93 # # $reg # [1] 3 3 3 3 3 3 3 3 3 3 # # $reg.pred.int # NULL # # $dim.red # [1] 3 3 3 3 3 3 3 3 3 3 # # $dim.red.pred.int # NULL # # $stack # [1] 3 3 3 3 3 3 3 3 3 3 # # $pred.int # NULL ## ----stackevalres, eval = FALSE----------------------------------------------- # mean( b$stack == as.numeric(iris[test.set, 5]) ) ## ----stackreseval, eval = FALSE----------------------------------------------- # [1] 1 ## ----threads, echo = FALSE---------------------------------------------------- Sys.setenv("OMP_THREAD_LIMIT" = "")