CalculateGroupPath | R Documentation |
Converts variable values into a set of radial x-y coordinates
CalculateGroupPath(df)
df |
a dataframe with Col 1 is group ('unique' cluster / group ID of entity) and Col 2-n are v1.value to vn.value - values (e.g. group/cluser mean or median) of variables v1 to v.n |
a dataframe of the calculated axis paths
Code adapted from a solution posted by Tony M to https://stackoverflow.com/questions/9614433/creating-radar-chart-a-k-a-star-plot-spider-plot-using-ggplot2-in-r.
library(dplyr)
library(scales)
library(tibble)
mtcars_radar <- mtcars %>%
as_tibble(rownames = "group") %>%
mutate_at(vars(-group), rescale) %>%
tail(4) %>%
select(1:10)
plot.data <- as.data.frame(mtcars_radar)
if(!is.factor(plot.data[, 1])) {
plot.data[, 1] <- as.factor(as.character(plot.data[, 1]))
}
names(plot.data)[1] <- "group"
CalculateGroupPath(plot.data)
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