GRASS logo

NAME

i.pr.subsets - Module to create features file for experiment using a features file and applying cross-validation or bootstrap resampling. i.pr: Pattern Recognition environment for image processing. Includes kNN, Decision Tree and SVM classification techniques. Also includes cross-validation and bagging methods for model validation.

KEYWORDS

imagery, image processing, pattern recognition

SYNOPSIS

i.pr.subsets
i.pr.subsets help
i.pr.subsets [-cbs] features=string n_sets=integer seed=integer [--verbose] [--quiet]

Flags:

-c
selected method: cross-validation.
-b
selected method: bootstrap.
-s
selected method: stratified bootstrap (works only with two classes.
--verbose
Verbose module output
--quiet
Quiet module output

Parameters:

features=string
Input file containing the features (output of i.pr_features).
n_sets=integer
Number of subsets (>=1). If you set n_sets=1 and select cross-validation,
leave one out cv will be implemented.
seed=integer
Seed for the initialization (>=0), which specifies a starting point
for the random number sequence. Replicate same experiment.
Default: 0

Main index - imagery index - Full index

© 2003-2016 GRASS Development Team