Created
November 17, 2019 03:50
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hastaLaVista demo file for univariateExplorer
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# to install hastaLaVista package use the following: | |
# devtools::install_github("jwist/hastaLaVista") | |
# the simply load the library | |
library(hastaLaVista) | |
# load demo dataset | |
data("bariatricRat") | |
metadata <- bariatricRat$metadata | |
data("bariatricRat.binned.4") | |
Xn.binned <- bariatricRat.binned.4$binned.data | |
ppm.binned <- bariatricRat.binned.4$binned.ppm | |
matspec(ppm.binned, Xn.binned, shift=c(7,8)) | |
ID <- metadata$Sample.Label | |
group <- metadata$Class | |
metadata <- data.frame(metadata) | |
x <- matrix(Xn.binned, dim(Xn.binned)[1], dim(Xn.binned)[2]) | |
x_axis <- as.numeric( ppm.binned ) | |
color = sapply(group, function(x) getColor2(as.character(x))) | |
d = list() | |
c <- data.frame(ID = ID, | |
group = group, | |
color = color, | |
"_highlight" = seq_along(group) - 1, | |
dataMatrix = I(matrix( c(rbind(repRow(x_axis, nrow(x)), x)), nrow(x), ncol(x)*2)), | |
metadata = I(metadata), | |
check.names = FALSE | |
) | |
d <- appendData(data = d, variableName = "data", variable = c, type = "table") | |
d <- appendData(data = d, variableName = "xAxis", variable = x_axis, type = "table") | |
imag = NULL | |
for (i in seq(from=2, to=5728*2, by=2)) { | |
png(tf1 <- tempfile(fileext = ".png")); boxplot( dataMatrix[,i] ~ group, data = c); dev.off() | |
imag[[i/2]] <- paste0("data:image/png;base64,", base64enc::base64encode(tf1)) | |
} | |
l <- data.frame("_highlight" = seq_along(x_axis), | |
value = unlist(imag), | |
check.names = FALSE) | |
d <- appendData(data = d, variableName = "img", variable = l, type = "table") | |
v5 <- new("visualization") | |
v5@view <- "univariate_1_1.view.json" | |
v5@data <- "univariateExplorer.data.json" | |
push(v5, type="data", d) | |
visualize(v5) |
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