DataFrame

Elm representation of a pandas DataFrame.

type alias DataFrame a =

{ schema : Maybe Schema

, data : List a

}

The DataFrame type containing the schema of the data and the data itself

create : List a -> DataFrame a

Creates a DataFrame from the supplied data

dataFrameDecoder : Decoder a -> Decoder (DataFrame a)

Decodes a JSON serialized DataFrame

= TimeMapper (a -> Posix)

| ValueMapper (a -> Float)

Decides how the values are mapped to the x-axis

type alias YValueMapper a =

a -> Float

Decides how the values are mapped to the y-axis

Helper Methods

map : (a -> b) -> DataFrame a -> DataFrame b

Maps a function over each row of a DataFrame

filter : (a -> Bool) -> DataFrame a -> DataFrame a

Filter rows by the specified filter function

length : DataFrame a -> Int

Gives back the number of rows in the DataFrame