water.util

Class FrameUtils

java.lang.Object

water.util.FrameUtils

public class FrameUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
FrameUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static ChunkSummary	chunkSummary(Frame fr) Compute a chunk summary (how many chunks of each type, relative size, total size)
static Frame	frame(java.lang.String[] names, double[]... rows) Create a new frame based on given row data.
static Frame	frame(java.lang.String[] names, Vec[] vecs) Create a new frame based on given column data.
static Frame	frame(java.lang.String name, Vec vec) Create a frame with single column represented by given vector.
static Frame	parseFrame(Key okey, java.io.File... files) Parse given file into the form of frame represented by the given key.
static Frame	parseFrame(Key okey, Key... ikeys)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FrameUtils

public FrameUtils()

Method Detail

frame

public static Frame frame(java.lang.String name,
          Vec vec)

Create a frame with single column represented by given vector.

Parameters:

name - name of the column

vec - column data

Returns:

a new frame

frame

public static Frame frame(java.lang.String[] names,
          Vec[] vecs)

Create a new frame based on given column data.

Parameters:

names - name of frame columns

vecs - columns data represented by individual data

Returns:

a new frame composed of given vectors.

frame

public static Frame frame(java.lang.String[] names,
          double[]... rows)

Create a new frame based on given row data.

Parameters:

names - names of frame columns

rows - data given in the form of rows

Returns:

new frame which contains columns named according given names and including given data

parseFrame

public static Frame parseFrame(Key okey,
               java.io.File... files)

Parse given file into the form of frame represented by the given key.

Parameters:

okey - destination key for parsed frame

files - files to parse

Returns:

a new frame

parseFrame

public static Frame parseFrame(Key okey,
               Key... ikeys)

chunkSummary

public static ChunkSummary chunkSummary(Frame fr)

Compute a chunk summary (how many chunks of each type, relative size, total size)

Parameters:

fr -

Returns:

chunk summary