Class TrainingOptions
Options used in model training.
Inheritance
Implements
Inherited Members
Namespace: Google.Apis.Bigquery.v2.Data
Assembly: Google.Apis.Bigquery.v2.dll
Syntax
public class TrainingOptions : IDirectResponseSchema
Properties
AdjustStepChanges
If true, detect step changes and make data adjustment in the input time series.
Declaration
[JsonProperty("adjustStepChanges")]
public virtual bool? AdjustStepChanges { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
AutoArima
Whether to enable auto ARIMA or not.
Declaration
[JsonProperty("autoArima")]
public virtual bool? AutoArima { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
AutoArimaMaxOrder
The max value of non-seasonal p and q.
Declaration
[JsonProperty("autoArimaMaxOrder")]
public virtual long? AutoArimaMaxOrder { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
BatchSize
Batch size for dnn models.
Declaration
[JsonProperty("batchSize")]
public virtual long? BatchSize { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
CleanSpikesAndDips
If true, clean spikes and dips in the input time series.
Declaration
[JsonProperty("cleanSpikesAndDips")]
public virtual bool? CleanSpikesAndDips { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
DataFrequency
The data frequency of a time series.
Declaration
[JsonProperty("dataFrequency")]
public virtual string DataFrequency { get; set; }
Property Value
Type | Description |
---|---|
System.String |
DataSplitColumn
The column to split data with. This column won't be used as a feature. 1. When data_split_method is CUSTOM, the corresponding column should be boolean. The rows with true value tag are eval data, and the false are training data. 2. When data_split_method is SEQ, the first DATA_SPLIT_EVAL_FRACTION rows (from smallest to largest) in the corresponding column are used as training data, and the rest are eval data. It respects the order in Orderable data types: https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#data-type-properties
Declaration
[JsonProperty("dataSplitColumn")]
public virtual string DataSplitColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
DataSplitEvalFraction
The fraction of evaluation data over the whole input data. The rest of data will be used as training data. The format should be double. Accurate to two decimal places. Default value is 0.2.
Declaration
[JsonProperty("dataSplitEvalFraction")]
public virtual double? DataSplitEvalFraction { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
DataSplitMethod
The data split type for training and evaluation, e.g. RANDOM.
Declaration
[JsonProperty("dataSplitMethod")]
public virtual string DataSplitMethod { get; set; }
Property Value
Type | Description |
---|---|
System.String |
DecomposeTimeSeries
If true, perform decompose time series and save the results.
Declaration
[JsonProperty("decomposeTimeSeries")]
public virtual bool? DecomposeTimeSeries { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
DistanceType
Distance type for clustering models.
Declaration
[JsonProperty("distanceType")]
public virtual string DistanceType { get; set; }
Property Value
Type | Description |
---|---|
System.String |
Dropout
Dropout probability for dnn models.
Declaration
[JsonProperty("dropout")]
public virtual double? Dropout { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
EarlyStop
Whether to stop early when the loss doesn't improve significantly any more (compared to min_relative_progress). Used only for iterative training algorithms.
Declaration
[JsonProperty("earlyStop")]
public virtual bool? EarlyStop { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
ETag
The ETag of the item.
Declaration
public virtual string ETag { get; set; }
Property Value
Type | Description |
---|---|
System.String |
FeedbackType
Feedback type that specifies which algorithm to run for matrix factorization.
Declaration
[JsonProperty("feedbackType")]
public virtual string FeedbackType { get; set; }
Property Value
Type | Description |
---|---|
System.String |
HiddenUnits
Hidden units for dnn models.
Declaration
[JsonProperty("hiddenUnits")]
public virtual IList<long?> HiddenUnits { get; set; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IList<System.Nullable<System.Int64>> |
HolidayRegion
The geographical region based on which the holidays are considered in time series modeling. If a valid value is specified, then holiday effects modeling is enabled.
Declaration
[JsonProperty("holidayRegion")]
public virtual string HolidayRegion { get; set; }
Property Value
Type | Description |
---|---|
System.String |
Horizon
The number of periods ahead that need to be forecasted.
Declaration
[JsonProperty("horizon")]
public virtual long? Horizon { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
IncludeDrift
Include drift when fitting an ARIMA model.
Declaration
[JsonProperty("includeDrift")]
public virtual bool? IncludeDrift { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
InitialLearnRate
Specifies the initial learning rate for the line search learn rate strategy.
Declaration
[JsonProperty("initialLearnRate")]
public virtual double? InitialLearnRate { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
InputLabelColumns
Name of input label columns in training data.
Declaration
[JsonProperty("inputLabelColumns")]
public virtual IList<string> InputLabelColumns { get; set; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IList<System.String> |
ItemColumn
Item column specified for matrix factorization models.
Declaration
[JsonProperty("itemColumn")]
public virtual string ItemColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
KmeansInitializationColumn
The column used to provide the initial centroids for kmeans algorithm when kmeans_initialization_method is CUSTOM.
Declaration
[JsonProperty("kmeansInitializationColumn")]
public virtual string KmeansInitializationColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
KmeansInitializationMethod
The method used to initialize the centroids for kmeans algorithm.
Declaration
[JsonProperty("kmeansInitializationMethod")]
public virtual string KmeansInitializationMethod { get; set; }
Property Value
Type | Description |
---|---|
System.String |
L1Regularization
L1 regularization coefficient.
Declaration
[JsonProperty("l1Regularization")]
public virtual double? L1Regularization { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
L2Regularization
L2 regularization coefficient.
Declaration
[JsonProperty("l2Regularization")]
public virtual double? L2Regularization { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
LabelClassWeights
Weights associated with each label class, for rebalancing the training data. Only applicable for classification models.
Declaration
[JsonProperty("labelClassWeights")]
public virtual IDictionary<string, double?> LabelClassWeights { get; set; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IDictionary<System.String, System.Nullable<System.Double>> |
LearnRate
Learning rate in training. Used only for iterative training algorithms.
Declaration
[JsonProperty("learnRate")]
public virtual double? LearnRate { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
LearnRateStrategy
The strategy to determine learn rate for the current iteration.
Declaration
[JsonProperty("learnRateStrategy")]
public virtual string LearnRateStrategy { get; set; }
Property Value
Type | Description |
---|---|
System.String |
LossType
Type of loss function used during training run.
Declaration
[JsonProperty("lossType")]
public virtual string LossType { get; set; }
Property Value
Type | Description |
---|---|
System.String |
MaxIterations
The maximum number of iterations in training. Used only for iterative training algorithms.
Declaration
[JsonProperty("maxIterations")]
public virtual long? MaxIterations { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
MaxTreeDepth
Maximum depth of a tree for boosted tree models.
Declaration
[JsonProperty("maxTreeDepth")]
public virtual long? MaxTreeDepth { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
MinRelativeProgress
When early_stop is true, stops training when accuracy improvement is less than 'min_relative_progress'. Used only for iterative training algorithms.
Declaration
[JsonProperty("minRelativeProgress")]
public virtual double? MinRelativeProgress { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
MinSplitLoss
Minimum split loss for boosted tree models.
Declaration
[JsonProperty("minSplitLoss")]
public virtual double? MinSplitLoss { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
ModelUri
Google Cloud Storage URI from which the model was imported. Only applicable for imported models.
Declaration
[JsonProperty("modelUri")]
public virtual string ModelUri { get; set; }
Property Value
Type | Description |
---|---|
System.String |
NonSeasonalOrder
A specification of the non-seasonal part of the ARIMA model: the three components (p, d, q) are the AR order, the degree of differencing, and the MA order.
Declaration
[JsonProperty("nonSeasonalOrder")]
public virtual ArimaOrder NonSeasonalOrder { get; set; }
Property Value
Type | Description |
---|---|
ArimaOrder |
NumClusters
Number of clusters for clustering models.
Declaration
[JsonProperty("numClusters")]
public virtual long? NumClusters { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
NumFactors
Num factors specified for matrix factorization models.
Declaration
[JsonProperty("numFactors")]
public virtual long? NumFactors { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Int64> |
OptimizationStrategy
Optimization strategy for training linear regression models.
Declaration
[JsonProperty("optimizationStrategy")]
public virtual string OptimizationStrategy { get; set; }
Property Value
Type | Description |
---|---|
System.String |
PreserveInputStructs
Whether to preserve the input structs in output feature names. Suppose there is a struct A with field b. When false (default), the output feature name is A_b. When true, the output feature name is A.b.
Declaration
[JsonProperty("preserveInputStructs")]
public virtual bool? PreserveInputStructs { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |
Subsample
Subsample fraction of the training data to grow tree to prevent overfitting for boosted tree models.
Declaration
[JsonProperty("subsample")]
public virtual double? Subsample { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
TimeSeriesDataColumn
Column to be designated as time series data for ARIMA model.
Declaration
[JsonProperty("timeSeriesDataColumn")]
public virtual string TimeSeriesDataColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
TimeSeriesIdColumn
The time series id column that was used during ARIMA model training.
Declaration
[JsonProperty("timeSeriesIdColumn")]
public virtual string TimeSeriesIdColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
TimeSeriesIdColumns
The time series id columns that were used during ARIMA model training.
Declaration
[JsonProperty("timeSeriesIdColumns")]
public virtual IList<string> TimeSeriesIdColumns { get; set; }
Property Value
Type | Description |
---|---|
System.Collections.Generic.IList<System.String> |
TimeSeriesTimestampColumn
Column to be designated as time series timestamp for ARIMA model.
Declaration
[JsonProperty("timeSeriesTimestampColumn")]
public virtual string TimeSeriesTimestampColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
UserColumn
User column specified for matrix factorization models.
Declaration
[JsonProperty("userColumn")]
public virtual string UserColumn { get; set; }
Property Value
Type | Description |
---|---|
System.String |
WalsAlpha
Hyperparameter for matrix factoration when implicit feedback type is specified.
Declaration
[JsonProperty("walsAlpha")]
public virtual double? WalsAlpha { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Double> |
WarmStart
Whether to train a model from the last checkpoint.
Declaration
[JsonProperty("warmStart")]
public virtual bool? WarmStart { get; set; }
Property Value
Type | Description |
---|---|
System.Nullable<System.Boolean> |