Esempio n. 1
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 public Vec replace(int col, Vec nv) {
   assert col < _names.length;
   Vec rv = vecs()[col];
   assert rv.group().equals(nv.group());
   _vecs[col] = nv;
   _keys[col] = nv._key;
   if (DKV.get(nv._key) == null) // If not already in KV, put it there
   DKV.put(nv._key, nv);
   return rv;
 }
Esempio n. 2
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 /** Appends a named column, keeping the last Vec as the response */
 public void add(String name, Vec vec) {
   assert _vecs.length == 0 || anyVec().group().equals(vec.group());
   final int len = _names.length;
   _names = Arrays.copyOf(_names, len + 1);
   _vecs = Arrays.copyOf(_vecs, len + 1);
   _keys = Arrays.copyOf(_keys, len + 1);
   _names[len] = name;
   _vecs[len] = vec;
   _keys[len] = vec._key;
 }
Esempio n. 3
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 public Frame(String[] names, Vec[] vecs) {
   // assert names==null || names.length == vecs.length : "Number of columns does not match to
   // number of cols' names.";
   _names = names;
   _vecs = vecs;
   _keys = new Key[vecs.length];
   for (int i = 0; i < vecs.length; i++) {
     Key k = _keys[i] = vecs[i]._key;
     if (DKV.get(k) == null) // If not already in KV, put it there
     DKV.put(k, vecs[i]);
   }
   Vec v0 = anyVec();
   if (v0 == null) return;
   VectorGroup grp = v0.group();
   for (int i = 0; i < vecs.length; i++) assert grp.equals(vecs[i].group());
 }