func TestStringsIsContain(t *testing.T) {
ss := tekstus.Strings{
"a", "b", "c", "d",
}
ss2 := []string{
"a", "b", "c", "d",
}
// Testing true positive
got := tekstus.StringsIsContain(ss, "a")
assert(t, true, got, true)
// Testing true negative
got = tekstus.StringsIsContain(ss, "e")
assert(t, false, got, true)
// Testing true positive
got = tekstus.StringsIsContain(ss2, "a")
assert(t, true, got, true)
// Testing true negative
got = tekstus.StringsIsContain(ss2, "e")
assert(t, false, got, true)
}
/*
Classify return the prediction of one sample.
*/
func (runtime *Runtime) Classify(data *tabula.Row) (class string) {
node := runtime.Tree.Root
nodev := node.Value.(NodeValue)
for !nodev.IsLeaf {
if nodev.IsContinu {
splitV := nodev.SplitV.(float64)
attrV := (*data)[nodev.SplitAttrIdx].Float()
if attrV < splitV {
node = node.Left
} else {
node = node.Right
}
} else {
splitV := nodev.SplitV.([]string)
attrV := (*data)[nodev.SplitAttrIdx].String()
if tekstus.StringsIsContain(splitV, attrV) {
node = node.Left
} else {
node = node.Right
}
}
nodev = node.Value.(NodeValue)
}
return nodev.Class
}
