KSLCore/ksl.utilities.io/DataFrameUtil/randomlySelect

randomlySelect

fun <T> randomlySelect(dc: DataColumn<T>, stream: RNStreamIfc = KSLRandom.defaultRNStream()): T(source)

Randomly select an element from the data column

Return

the randomly selected element

Parameters

the data column

stream

the source of randomness

Type Parameters

The type of element in the data column

fun <T> randomlySelect(dc: DataColumn<T>, streamNum: Int): T(source)

Randomly select an element from the data column

Return

the randomly selected element

Parameters

the data column

streamNum

the stream number for the source of randomness

Type Parameters

The type of element in the data column

fun <T> randomlySelect(dc: DataColumn<T>, cdf: DoubleArray, stream: RNStreamIfc = KSLRandom.defaultRNStream()): T(source)

Randomly selects an element from the data column using the supplied cdf

Return

the randomly selected element

Parameters

data column to select from

cdf

the cumulative probability associated with each element

stream

the source of randomness

Type Parameters

the type returned

fun <T> randomlySelect(dc: DataColumn<T>, cdf: DoubleArray, streamNum: Int): T(source)

Randomly selects an element from the data column using the supplied cdf

Return

the randomly selected element

Parameters

data column to select from

cdf

the cumulative probability associated with each element

streamNum

the stream number for the source of randomness

Type Parameters

the type returned

fun <T> randomlySelect(df: DataFrame<T>, streamNum: Int): DataRow<T>(source)

Randomly select a row from the data frame

Return

the randomly selected row

Parameters

the data frame

streamNum

the stream number from the stream provider to use

Type Parameters

The type of element in the data frame

fun <T> randomlySelect(df: DataFrame<T>, stream: RNStreamIfc = KSLRandom.defaultRNStream()): DataRow<T>(source)

Randomly select a row from the data frame

Return

the randomly selected element

Parameters

the data frame

stream

the source of randomness

Type Parameters

The type of element in the data frame

fun <T> randomlySelect(df: DataFrame<T>, cdf: DoubleArray, streamNum: Int): DataRow<T>(source)

Randomly selects a row from the data frame using the supplied cdf

Return

the randomly selected row

Parameters

data frame to select from

cdf

the cumulative probability associated with each element of array

streamNum

the stream number from the stream provider to use

Type Parameters

the type returned

fun <T> randomlySelect(df: DataFrame<T>, cdf: DoubleArray, stream: RNStreamIfc = KSLRandom.defaultRNStream()): DataRow<T>(source)

Randomly selects from the data frame using the supplied cdf

Return

the randomly selected row

Parameters

data frame to select from

cdf

the cumulative probability associated with each element of array

stream

the source of randomness

Type Parameters

the type returned