Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
## ----setup--------------------------------------------------------------------
library(MixMatrix)
## ----generatedata-------------------------------------------------------------
set.seed(20180222)
library('MixMatrix')
A <- rmatrixnorm(30, mean = matrix(0, nrow=2, ncol=3)) # creating the three groups
B <- rmatrixnorm(30, mean = matrix(c(1, 0), nrow = 2, ncol = 3))
C <- rmatrixnorm(30, mean = matrix(c(0, 1), nrow = 2, ncol = 3))
ABC <- array(c(A,B,C), dim = c(2,3,90)) # combining into on array
groups <- factor(c(rep("A", 30), rep("B", 30), rep("C", 30))) # labels
prior = c(30, 30, 30) / 90 # equal prior
matlda <- matrixlda(x = ABC, grouping = groups, prior = prior) # perform LDA
matqda <- matrixqda(x = ABC, grouping = groups, prior = prior) # perform QDA
## ----predict------------------------------------------------------------------
ABC[, , c(1, 31, 61)] # true class memberships: A, B, C
#predict the membership of the first observation of each group
predict(matlda, ABC[, , c(1, 31, 61)])
#predict the membership of the first observation of each group
predict(matqda, ABC[, , c(1, 31, 61)])
## ----objectstructure----------------------------------------------------------
matlda
matqda
## ----sessioninfo--------------------------------------------------------------
sessionInfo()
## ----getlabels, echo = FALSE--------------------------------------------------
labs = knitr::all_labels()
labs = labs[!labs %in% c("setup", "toc", "getlabels", "allcode")]
## ----allcode, ref.label = labs, eval = FALSE----------------------------------
# knitr::opts_chunk$set(
# collapse = TRUE,
# comment = "#>"
# )
# set.seed(20180222)
# library('MixMatrix')
# A <- rmatrixnorm(30, mean = matrix(0, nrow=2, ncol=3)) # creating the three groups
# B <- rmatrixnorm(30, mean = matrix(c(1, 0), nrow = 2, ncol = 3))
# C <- rmatrixnorm(30, mean = matrix(c(0, 1), nrow = 2, ncol = 3))
# ABC <- array(c(A,B,C), dim = c(2,3,90)) # combining into on array
# groups <- factor(c(rep("A", 30), rep("B", 30), rep("C", 30))) # labels
# prior = c(30, 30, 30) / 90 # equal prior
# matlda <- matrixlda(x = ABC, grouping = groups, prior = prior) # perform LDA
# matqda <- matrixqda(x = ABC, grouping = groups, prior = prior) # perform QDA
# ABC[, , c(1, 31, 61)] # true class memberships: A, B, C
# #predict the membership of the first observation of each group
# predict(matlda, ABC[, , c(1, 31, 61)])
# #predict the membership of the first observation of each group
# predict(matqda, ABC[, , c(1, 31, 61)])
#
# matlda
#
# matqda
#
# sessionInfo()
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