table

package

v0.0.0-...-61db93c Latest Latest Go to latest Published: May 14, 2022 License: Apache-2.0 Imports: 10 Imported by: 0

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func RandValueIn(valueAndProbability map[string]float64) func() string

type Cell struct {
	Dtype tensor.Dtype
	V     any
}

func StringToCell(v string) *Cell

func (v Cell) Float32() float32

func (v Cell) Int() int

func (v Cell) String() string

type Row struct {
	Cells []*Cell
	Tags  map[string]bool
}

func StringsToRow(values []string) Row

func (r *Row) AddTag(tags ...string)

func (r Row) HasAnyTag(tags []string) bool

type Rows []*Row

type Table struct {
	Header []string
	Rows   Rows

	ClassesByColumn map[int][]string
}

func ReadCSV(pathCSV string) (*Table, error)

ReadCSV loads a CSV table

func (t *Table) AddColumn(columnName string, val interface{})

func (t *Table) AddTag(tagFunc func() string)

func (t *Table) CategoricalColumns(excludeColumns ...int) (columns []int, dimensions []int)

func (t *Table) EachCell(cb func(rowNumber, columnNumber int, cell *Cell))

func (t *Table) EachColumn(f func(columnName string, v *Cell))

func (t *Table) EachRow(f func(row *Row))

func (t *Table) Has(column string) bool

func (t *Table) ToTensors(opts ToTensorOpts) (x *tensor.Dense, y *tensor.Dense)

type ToTensorOpts struct {
	TargetColumns []int
	SelectTags    []string
}