dataframe

Documentation

Index

• type Book
• type ColumnType
  • func (ct ColumnType) Add(valueInput interface{}) []Word
• type DataFrame
  • func NewDataFrame(input [][]string, NaN string) DataFrame
  • func (df *DataFrame) AddLine(inputText []string)
  • func (df DataFrame) Column(columnName string) ColumnType
  • func (df *DataFrame) Drop(columns ...string)
  • func (df DataFrame) Head(rowsLimit ...int) DataFrame
  • func (df *DataFrame) Insert(colName string, values []Word)
  • func (df DataFrame) Select(columns ...string) DataFrame
  • func (df DataFrame) String() string
  • func (df DataFrame) Tail(rowsLimit ...int) DataFrame
  • func (df DataFrame) WhereEqual(colName string, filterValue interface{}) DataFrame
  • func (df DataFrame) WhereGreater(colName string, filterValue interface{}) DataFrame
  • func (df DataFrame) WhereGreaterOrEqual(colName string, filterValue interface{}) DataFrame
  • func (df DataFrame) WhereLess(colName string, filterValue interface{}) DataFrame
  • func (df DataFrame) WhereNotEqual(colName string, filterValue interface{}) DataFrame
  • func (df DataFrame) WhereOrEqual(colName string, filterValue interface{}) DataFrame
• type Lines
  • func WriteLine(textInput []string, nanLayout, layoutDatetime string) Lines
• type Word
• type WordBool
  • func NewWordBool(value bool) WordBool
  • func WriteWordBool(text string) WordBool
  • func (w WordBool) String() string
• type WordDatetime
  • func NewWordDatetime(format, value string) WordDatetime
  • func (w WordDatetime) String() string
• type WordFloat64
  • func NewWordFloat64(value float64) WordFloat64
  • func (w WordFloat64) String() string
• type WordNaN
  • func (w WordNaN) String() string
• type WordString
  • func NewWordString(value string) WordString
  • func WriteWordString(text string) WordString
  • func (w WordString) String() string

Types

type Book

type Book []Lines

Book save multiple lines

type ColumnType

type ColumnType struct {
	// contains filtered or unexported fields
}

ColumnType Operations by column

func (ColumnType) Add

func (ct ColumnType) Add(valueInput interface{}) []Word

Add to add elements

type DataFrame

type DataFrame struct {
	Columns        []string
	Values         Book
	Shape          [2]int // [rowsNumber, columnsNumber]
	NaNLayout      string
	DatetimeLayout string
	Index          []uint
	ColumnIndex    map[string]int
}

DataFrame Structure for DataFrame

func NewDataFrame

func NewDataFrame(input [][]string, NaN string) DataFrame

NewDataFrame Create a DataFrame with default values

func (*DataFrame) AddLine

func (df *DataFrame) AddLine(inputText []string)

AddLine write a line in to book

func (DataFrame) Column

func (df DataFrame) Column(columnName string) ColumnType

Column To select DataFrame with one column

func (*DataFrame) Drop

func (df *DataFrame) Drop(columns ...string)

TODO: Implement errors for columns not find Drop to delete a row

func (DataFrame) Head

func (df DataFrame) Head(rowsLimit ...int) DataFrame

Head Save first 10 dataframe rows

func (*DataFrame) Insert

func (df *DataFrame) Insert(colName string, values []Word)

Insert to add a new column with its values

func (DataFrame) Select

func (df DataFrame) Select(columns ...string) DataFrame

Select to select a row

func (DataFrame) String

func (df DataFrame) String() string

Stringer

func (DataFrame) Tail

func (df DataFrame) Tail(rowsLimit ...int) DataFrame

Tail Save the last 10 dataframe rows

func (DataFrame) WhereEqual

func (df DataFrame) WhereEqual(colName string, filterValue interface{}) DataFrame

WhereEqual To find elements with == comparator

func (DataFrame) WhereGreater

func (df DataFrame) WhereGreater(colName string, filterValue interface{}) DataFrame

WhereGreater To find elements with >

func (DataFrame) WhereGreaterOrEqual

func (df DataFrame) WhereGreaterOrEqual(colName string, filterValue interface{}) DataFrame

WhereGreaterOrEqual To find elements with >

func (DataFrame) WhereLess

func (df DataFrame) WhereLess(colName string, filterValue interface{}) DataFrame

WhereLess To find elements with <

func (DataFrame) WhereNotEqual

func (df DataFrame) WhereNotEqual(colName string, filterValue interface{}) DataFrame

WhereNotEqual To find elements with != comparator

func (DataFrame) WhereOrEqual

func (df DataFrame) WhereOrEqual(colName string, filterValue interface{}) DataFrame

WhereLessOrEqual To find elements with <

type Lines

type Lines []Word

Lines It's a row

func WriteLine

func WriteLine(textInput []string, nanLayout, layoutDatetime string) Lines

type Word

type Word interface {
}

type WordBool

type WordBool struct {
	Word
	// contains filtered or unexported fields
}

wordBool Data type for boolean values. Not support for NaN values

func NewWordBool

func NewWordBool(value bool) WordBool

NewWordBool To create a WordBool

func WriteWordBool

func WriteWordBool(text string) WordBool

func (WordBool) String

func (w WordBool) String() string

type WordDatetime

type WordDatetime struct {
	Word
	// contains filtered or unexported fields
}

wordDatetime To date dates with support for NaN values

func NewWordDatetime

func NewWordDatetime(format, value string) WordDatetime

NewWordDatetime To create WordDatetime

func (WordDatetime) String

func (w WordDatetime) String() string

type WordFloat64

type WordFloat64 struct {
	Word
	// contains filtered or unexported fields
}

wordFloat64 Data type for numbers and float values with support for NaN values

func NewWordFloat64

func NewWordFloat64(value float64) WordFloat64

NewWordFloat64 To create a WordFloat64

func (WordFloat64) String

func (w WordFloat64) String() string

type WordNaN

type WordNaN struct {
	Word
}

WordNaN to save NaN values

func (WordNaN) String

func (w WordNaN) String() string

type WordString

type WordString struct {
	Word
	// contains filtered or unexported fields
}

wordString Data type for string values with support for NaN values

func NewWordString

func NewWordString(value string) WordString

NewWordString To create a WordString

func WriteWordString

func WriteWordString(text string) WordString

func (WordString) String

func (w WordString) String() string