Method translateTo

src/com/winvector/variables/BTable.java:272–306

translate into notation of other encoding @param standardEncodings (older encoding that we are adapted from, without any vector->vector translations) @return

(final VariableEncodings standardEncodings, final double[] x)

	 * @return
	 */
	public double[] translateTo(final VariableEncodings standardEncodings, final double[] x) {
		final double[] ret = new double[standardEncodings.dim()*standardEncodings.noutcomes()];
		// get quick map of newer encodings
		final Map<String,VariableMapping> newAdaptions = new HashMap<String,VariableMapping>();
		for(final VariableMapping newAdaption: newAdapter.adaptions) {
			newAdaptions.put(newAdaption.origColumn(),newAdaption);
		}
		for(final VariableMapping orig: standardEncodings.adaptions) {
			final VariableMapping newa = newAdaptions.get(orig.origColumn());
			if(null!=newa) {
				for(final Map.Entry<String,Integer> mc: standardEncodings.outcomeCategories.entrySet()) {
					//final String outcome = mc.getKey();
					final int cati = mc.getValue();
					final int baseStandard = cati*standardEncodings.vdim;
					final int baseNew = cati*newAdapter.vdim;
					if((newa instanceof LevelVectors)&&(orig instanceof LevelIndicators)) {
						// vector adaption, assume original is level adaption
						final LevelVectors levv = (LevelVectors)newa;
						final LevelIndicators levi = (LevelIndicators)orig;
						for(final String level: levi.levels()) {
							final double effect = levv.effect(baseNew,x,level);
							final int index = levi.index(level);
							ret[baseStandard + index] = effect; 
						}
					} if((orig.indexR()-orig.indexL())==(newa.indexR()-newa.indexL())) {
						// standard match, assume same type and width
						for(int i=orig.indexL();i<orig.indexR();++i) {
							ret[baseStandard+i] = x[baseNew+newa.indexL()+i-orig.indexL()];
						}
					}
				}
			}
		}
		return ret;
	}
}