本文整理了Java中water.fvec.Frame.vecs()方法的一些代码示例，展示了Frame.vecs()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Frame.vecs()方法的具体详情如下：
包路径：water.fvec.Frame
类名称：Frame
方法名：vecs

Frame.vecs介绍

暂无

代码示例

代码示例来源：origin: h2oai/h2o-2

protected final Vec[] selectVecs(Frame frame) {
 Vec[] vecs = new Vec[cols.length];
 for( int i = 0; i < cols.length; i++ )
  vecs[i] = frame.vecs()[cols[i]];
 return vecs;
}

代码示例来源：origin: h2oai/h2o-2

/** Returns the vector by given index.
 * <p>The call is direct equivalent to call <code>vecs()[i]</code> and
 * it does not do any array bounds checking.</p>
 * @param idx idx of column
 * @return this frame idx-th vector, never returns <code>null</code>
 */
public Vec vec(int idx) {
 Vec[] vecs = vecs();
 return vecs[idx];
}
/** Returns a subframe of this frame containing only vectors with desired names.

代码示例来源：origin: h2oai/h2o-2

/** Time status for every Vec */
public byte[] times() {
 byte bs[] = new byte[vecs().length];
 for( int i=0; i<vecs().length; i++ )
  bs[i] = vecs()[i]._time;
 return bs;
}

代码示例来源：origin: h2oai/h2o-2

private String[][] domains(int [] cols){
 Vec [] vecs = vecs();
 String [][] res = new String[cols.length][];
 for(int i = 0; i < cols.length; ++i)
  res[i] = vecs[cols[i]]._domain;
 return res;
}

代码示例来源：origin: h2oai/h2o-2

public void swap( int lo, int hi ) {
 assert 0 <= lo && lo < _keys.length;
 assert 0 <= hi && hi < _keys.length;
 if( lo==hi ) return;
 Vec vecs[] = vecs();
 Vec v   = vecs [lo]; vecs  [lo] = vecs  [hi]; vecs  [hi] = v;
 Key k   = _keys[lo]; _keys [lo] = _keys [hi]; _keys [hi] = k;
 String n=_names[lo]; _names[lo] = _names[hi]; _names[hi] = n;
}

代码示例来源：origin: h2oai/h2o-2

/** Returns the first readable vector. */
public Vec anyVec() {
 Vec c0 = _col0; // single read
 if( c0 != null ) return c0;
 for( Vec v : vecs() )
  if( v.readable() )
   return (_col0 = v);
 return null;
}
/* Returns the only Vector, or tosses IAE */

代码示例来源：origin: h2oai/h2o-2

@Override void apply(Env env, int argcnt, ASTApply apply) {
  Frame fr = env.peekAry();
  if (fr.vecs().length > 1)
   throw new IllegalArgumentException("sd does not apply to multiple cols.");
  if (fr.vecs()[0].isEnum())
   throw new IllegalArgumentException("sd only applies to numeric vector.");
  double sig = fr.vecs()[0].sigma();
  env.pop();
  env.poppush(sig);
 }
}

代码示例来源：origin: h2oai/h2o-2

DRFTree( Frame fr, int ncols, char nbins, char nclass, int min_rows, int mtrys, long seed ) {
 super(fr._names, ncols, nbins, nclass, min_rows, seed);
 _mtrys = mtrys;
 _rand = createRNG(seed);
 _seeds = new long[fr.vecs()[0].nChunks()];
 for( int i=0; i<_seeds.length; i++ )
  _seeds[i] = _rand.nextLong();
}
// Return a deterministic chunk-local RNG.  Can be kinda expensive.

代码示例来源：origin: h2oai/h2o-2

protected final Frame selectFrame(Frame frame) {
  Vec[] vecs = new Vec[cols.length];
  String[] names = new String[cols.length];
  for( int i = 0; i < cols.length; i++ ) {
   vecs[i] = frame.vecs()[cols[i]];
   names[i] = frame.names()[cols[i]];
  }
  return new Frame(names, vecs);
 }
}

代码示例来源：origin: h2oai/h2o-2

public Futures closeAppendables(Futures fs) {
 _col0 = null;               // Reset cache
 int len = vecs().length;
 for( int i=0; i<len; i++ ) {
  Vec v = _vecs[i];
  if( v instanceof AppendableVec )
   DKV.put(_keys[i],_vecs[i] = ((AppendableVec)v).close(fs),fs);
 }
 return fs;
}

代码示例来源：origin: h2oai/h2o-3

/** Number of columns with categoricals expanded.
 *  @return Number of columns with categoricals expanded into indicator columns */
public static int numColsExp(Frame fr, boolean useAllFactorLevels) {
 final int uAFL = useAllFactorLevels ? 0 : 1;
 int cols = 0;
 for( Vec vec : fr.vecs() )
  cols += (vec.isCategorical() && vec.domain() != null) ? vec.domain().length - uAFL : 1;
 return cols;
}

代码示例来源：origin: h2oai/h2o-2

public Frame subRef( Frame fr, String key ) {
 if( fr == null ) return null;
 Futures fs = new Futures();
 for( Vec vec : fr.vecs() ) subRef(vec,fs);
 fs.blockForPending();
 return null;
}
// Lower refcounts on all vecs captured in the inner environment

代码示例来源：origin: h2oai/h2o-3

@Override public Frame outputFrame(Key<Frame> key, String [] names, String [][] domains){
 _predFrame = new Frame(key, names, _predFrame.vecs());
 if (domains!=null)
  _predFrame.vec(0).setDomain(domains[0]); //only the label is ever categorical
 if (_predFrame._key!=null)
  DKV.put(_predFrame);
 return _predFrame;
}
@Override public void map(Chunk[] chks, NewChunk[] cpreds) { }

代码示例来源：origin: h2oai/h2o-2

private Frame setTest() {
 if (validation == null) return null;
 Frame test = null;
 ArrayList<Integer> v_ignored_cols = new ArrayList<Integer>();
 for (int ignored_col : ignored_cols) if (validation.find(source.names()[ignored_col]) != -1) v_ignored_cols.add(ignored_col);
 int[] v_ignored = new int[v_ignored_cols.size()];
 for (int i = 0; i < v_ignored.length; ++i) v_ignored[i] = v_ignored_cols.get(i);
 if (validation != null) test = FrameTask.DataInfo.prepareFrame(validation, validation.vecs()[validation.find(source.names()[source.find(response)])], v_ignored, !regression, false, false);
 if (test != null && test.lastVec().masterVec() != null) gtrash(test.lastVec());
 return test;
}
private Frame setStrat(Frame train, Frame test, Vec resp) {

代码示例来源：origin: h2oai/h2o-2

public Vec replace(int col, Vec nv) {
 if (col >= numCols())
  throw new IllegalArgumentException("Trying to select column "+(col+1)+" but only "+numCols()+" present.");
 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;
}

代码示例来源：origin: h2oai/h2o-3

public DataInfo validDinfo(Frame valid) {
 DataInfo res = new DataInfo(_adaptedFrame,null,1,_useAllFactorLevels,TransformType.NONE,TransformType.NONE,_skipMissing,_imputeMissing,!(_skipMissing || _imputeMissing),_weights,_offset,_fold);
 res._interactions = _interactions;
 res._interactionSpec = _interactionSpec;
 if (_interactionSpec != null) {
  valid = Model.makeInteractions(valid, true, _interactions, _useAllFactorLevels, _skipMissing, false).add(valid);
 }
 res._adaptedFrame = new Frame(_adaptedFrame.names(),valid.vecs(_adaptedFrame.names()));
 res._valid = true;
 return res;
}

代码示例来源：origin: h2oai/h2o-2

@Override
 public void callback(GetNonZerosTsk gnz) {
  new VecTsk(new Callback(), _progressKey, gnz._vals).asyncExec(Utils.append(_x.vecs(gnz._idxs), _z.vec(i)));
 }
}).asyncExec(_y.vec(i));

代码示例来源：origin: h2oai/h2o-2

@Override void apply(Env env, int argcnt, ASTApply apply) {
  String skey = env.key();
  Frame fr = env.popAry();
  if (fr.numCols() != 1) throw new IllegalArgumentException("trim works on a single column at a time.");
  String[] doms = fr.anyVec().domain().clone();
  for (int i = 0; i < doms.length; ++i) doms[i] = doms[i].trim();
  Frame fr2 = new Frame(fr.names(), fr.vecs());
  fr2.anyVec()._domain = doms;
  env.subRef(fr, skey);
  env.poppush(1, fr2, null);
 }
}

代码示例来源：origin: h2oai/h2o-3

int prep(Frame fr) {
  fr.remove("ID").remove(); // Remove not-predictive ID
  int ci = fr.find("RACE"); // Change RACE to categorical
  Scope.track(fr.replace(ci,fr.vecs()[ci].toCategoricalVec()));
  return fr.find("CAPSULE"); // Prostate: predict on CAPSULE
 }
}, false, DistributionFamily.bernoulli);

代码示例来源：origin: h2oai/h2o-3

private GLMScore makeScoringTask(Frame adaptFrm, boolean generatePredictions, Job j){
 int responseId = adaptFrm.find(_output.responseName());
 if(responseId > -1 && adaptFrm.vec(responseId).isBad()) { // remove inserted invalid response
  adaptFrm = new Frame(adaptFrm.names(),adaptFrm.vecs());
  adaptFrm.remove(responseId);
 }
 // Build up the names & domains.
 final boolean computeMetrics = adaptFrm.vec(_output.responseName()) != null && !adaptFrm.vec(_output.responseName()).isBad();
 String [] domain = _output.nclasses()<=1 ? null : !computeMetrics ? _output._domains[_output._domains.length-1] : adaptFrm.lastVec().domain();
 // Score the dataset, building the class distribution & predictions
 return new GLMScore(j, this, _output._dinfo.scoringInfo(_output._names,adaptFrm),domain,computeMetrics, generatePredictions);
}
/** Score an already adapted frame.  Returns a new Frame with new result