933Host = host;

934Host.CheckValue(data, nameof(data)); 942Host.AssertValue(binUpperBounds); 943Host.Assert(Utils.Size(binUpperBounds) == NumFeatures); 944Host.Assert(binUpperBounds.All(b => b != null)); 1271Host.AssertValue(parallelTraining); 1327Host.CheckAlive(); 1328Host.AssertValue(examples); 1329Host.Assert(examples.Schema.Feature.HasValue); 1332Host.AssertValue(BinUpperBounds); 1335using (var ch = Host.Start("Conversion")) 1351data = new LabelConvertTransform(Host, convArgs, data); 1355data = new TypeConvertingTransformer(Host, new TypeConvertingEstimator.ColumnOptions(groupName, DataKind.UInt64, groupName)).Transform(data); 1368Host.Assert(1 <= toTranspose.Count && toTranspose.Count <= 4); 1371using (Transposer trans = Transposer.Create(Host, data, false, toTranspose.ToArray())) 1390using (var pch = Host.StartProgressChannel("FastTree disk-based bins initialization")) 1408Host.CheckAlive(); 1413Host.Assert(iFeature < features.Length); 1414Host.Assert(features[iFeature] == null); 1416Host.Assert(temp.Length == numExamples); 1450Host.AssertValue(BinUpperBounds[iFeature]); 1484Host.CheckAlive(); 1550Host.AssertValue(upperBounds); 1562Host.CheckAlive(); 1565Host.AssertValue(upperBounds); 1596throw Host.Except("Found invalid label {0}. Value should be between 0 and {1}, inclusive.", label, MaxLabel); 1634Host.Assert(features.All(f => f != null)); 1777throw Host.ExceptParam(nameof(data), "Input data had {0} rows, but can only accommodate {1}", numInstances, Utils.ArrayMaxSize); 1796Host.AssertValue(binUpperBounds); 1801using (var ch = Host.Start("InitBoundariesAndLabels")) 1802using (var pch = Host.StartProgressChannel("FastTree data preparation")) 1849Host.Assert(hasGroup || cursor.Group == groupPrev); 1905using (var ch = Host.Start("InitBins")) 1906using (var pch = Host.StartProgressChannel("FastTree in-memory bins initialization")) 1917Host.CheckAlive(); 1935using (var ch = Host.Start("BinFeatures")) 1936using (var pch = Host.StartProgressChannel("FastTree feature conversion")) 2229Host.CheckAlive();