protected void init(CRF model, DataIter data, double[] l) {
edgeGen = model.edgeGen;
lambda = l;
numY = model.numY;
diter = data;
featureGenerator = model.featureGenerator;
numF = featureGenerator.numFeatures();
gradLogli = new double[numF];
diag = new double[numF]; // needed by the optimizer
ExpF = new double[lambda.length];
initMatrices();
reuseM = params.reuseM;
if (params.miscOptions.getProperty("cache", "false").equals("true")) {
featureGenCache = new FeatureGenCache(featureGenerator);
featureGenerator = featureGenCache;
} else featureGenCache = null;
}
