/*
* Apache License
* Version 2.0, January 2004
* http://www.apache.org/licenses/
*
* Copyright 2013 Aurelian Tutuianu
* Copyright 2014 Aurelian Tutuianu
* Copyright 2015 Aurelian Tutuianu
* Copyright 2016 Aurelian Tutuianu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package rapaio.data.filter.frame;
import rapaio.data.Frame;
import rapaio.data.VRange;
import rapaio.data.filter.var.VFTransformBoxCox;
/**
* Created by <a href="mailto:padreati@yahoo.com">Aurelian Tutuianu</a> at 12/15/14.
*/
public class FFBoxCoxT extends AbstractFF {
private static final long serialVersionUID = 1804199711139024129L;
private final VFTransformBoxCox bct;
public FFBoxCoxT(double lambda, String... varNames) {
this(lambda, 0, VRange.of(varNames));
}
public FFBoxCoxT(double lambda, VRange vRange) {
this(lambda, 0, vRange);
}
public FFBoxCoxT(double lambda, double shift, String... varNames) {
super(VRange.of(varNames));
this.bct = new VFTransformBoxCox(lambda, shift);
}
public FFBoxCoxT(double lambda, double shift, VRange vRange) {
super(vRange);
this.bct = new VFTransformBoxCox(lambda, shift);
}
@Override
public FFBoxCoxT newInstance() {
return new FFBoxCoxT(bct.lambda(), bct.shift(), vRange);
}
@Override
public void train(Frame df) {
parse(df);
checkRangeVars(0, df.varCount(), df);
}
@Override
public Frame apply(Frame df) {
String[] names = parse(df);
for (String name : names) {
bct.fitApply(df.var(name));
}
return df;
}
}