try {
InDataStreamFile rF = new InDataStreamFile(filename);
int len = rF.readInt();
xIndexed = new int[len];
for (int i = 0; i < xIndexed.length; i++) {
xIndexed[i] = rF.readInt();
}
int numFeats = rF.readInt();
for (int i = 0; i < numFeats; i++) {
TaggerFeature tF = new TaggerFeature();
tF.read(rF);