HashMap<String, Integer> kvs= fc.getFrequencyCounts();
File od= new File(d+"/"+size);
od.mkdirs();
double[] vs= new double[fcg.keySize()];
double[] gvs= new double[fcg.keySize()];
double[] nvs= new double[fcg.keySize()];
for( int i=0; i<ks.length; i++ ){
String k = ks[i].toString();
double v= kvs.containsKey(k) ?