Nothing
# Test the matrix
library(ranger)
#library(vip)
library(dplyr)
test_that("vip2vivid test class", {
aq <- na.omit(airquality)
# create fit
#fr <- ranger(Ozone ~ ., data = aq, importance = "permutation")
# get vip importance and interactions
#vipImp <- vi(fr, method = "model")
#vipInt <- vint(fr, feature_names = names(aq[-1]))
Variable <- c("Temp", "Wind", "Solar.R", "Month", "Day")
Importance <- c(10,9,8,7,6)
vImp <- tibble(Variable, Importance)
Variables <- c("Wind*Temp", "Solar.R*Temp", "Solar.R*Wind", "Temp*Day", "Temp*Month",
"Solar.R*Month", "Wind*Month", "Wind*Day", "Month*Day", "Solar.R*Day")
Interaction <- c(10,9,8,7,6,5,4,3,2,1)
vInt <- tibble(Variables, Interaction)
# create matrix
m <- vip2vivid(vImp, vInt)
expect_s3_class(m, c("vivid", "matrix", "array"))
})
test_that("update matrix test", {
aq <- na.omit(airquality)
fr <- ranger(Ozone ~ ., data = aq, importance = "permutation")
m <- vivi(fit = fr, data = aq, response = "Ozone",nmax = 10, gridSize = 5)
# update matrix importance
corimp <- abs(cor(aq[, -1])[1, ])
updatedM <- viviUpdate(m, corimp) # use correlation as importance
expect_s3_class(updatedM, c("vivid", "matrix", "array"))
})
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