extract classes from classInterval object

Description

This helper function is a wrapper for findInterval to extract classes from a "classInterval" object

Usage

findCols(clI)

Arguments

Value

an integer vector of class indices

Author(s)

Roger Bivand <Roger.Bivand@nhh.no>

See Also

classIntervals, findInterval

Examples

if (!require("spData", quietly=TRUE)) {
  message("spData package needed for examples")
  run <- FALSE
} else {
  run <- TRUE
}
if (run) {
data(jenks71, package="spData")
fix5 <- classIntervals(jenks71$jenks71, n=5, style="fixed",
 fixedBreaks=c(15.57, 25, 50, 75, 100, 155.30))
print(fix5)
}
if (run) {
print(findCols(fix5))
}