randomindicesn.py

orange源码 数据挖掘技术

# Description: Constructs indices for sampling procedure in which examples are divided in more than two groups
# Category:    sampling
# Classes:     MakeRandomIndices, MakeRandomIndicesN
# Uses:        lenses
# Referenced:  RandomIndices.htm

import orange

data = orange.ExampleTable("lenses")

indicesn = orange.MakeRandomIndicesN(p=[0.5, 0.25])

ind = indicesn(data)
print ind

indicesn = orange.MakeRandomIndicesN(p=[12, 6])

ind = indicesn(data)
print ind