Portability	portable
Stability	experimental
Safe Haskell	Safe-Inferred

TimeSeries.Window

Description

Window for time series analysis.

Later these shall relate to memory and FPGA internal registers in hardware...

Synopsis

Documentation

newtype Window Source

Newtype for windowd data.

Shall relate to memory contents in hardware.

Constructors

Window (UArray Word64 Double)

Instances

Eq Window
Show Window

type Size = Word64 Source

Considering to restrict window size to power of 2, at least for initial phase.

data RandomVector Source

Random vector.

Constructors

RandomVector
Fields unitRV :: Window Unit random vector. controlRV :: Window Control random vector, mentioned as b in the paper.

Instances

Eq RandomVector
Show RandomVector

fromList :: [Double] -> Window Source

Create window from assoc list.

toList :: Window -> [Double]Source

empty :: Size -> Window Source

Window of given size, filled with zeros.

push :: Double -> Window -> Window Source

Put given Double as first element, shifts all the other element except for the last one, which being removed.

singleton :: Double -> Window Source

Size 1 window containing given value.

norm :: Window -> Window -> Double Source

Norm, by viewing window as vector.

>>> let x = fromList [0,3,4]
>>> let y = fromList [0,0,0]
>>> distance x y
5.0

append :: Window -> Window -> Window Source

Append two windows, with shifting the contents of second window. Last n elements of second window is removed, where n is number of elements in first window.

sumWindow :: Window -> Double Source

Sums up window elements.

sumSqWindow :: Window -> Double Source

Sums up square of window elements.

dotp :: Window -> Window -> Double Source

Dot product of given two windows.

dotps :: [Window] -> Window -> Window Source

Dot produt of list of window.

copyContents Source

Arguments

:: Window	Destination window.
-> Window	Source window.
-> Window

Copy contents of window to another.

randomVector Source

Arguments

:: Integer	Random seed.
-> Size	bw, size of basic window.
-> Size	nb, size of control vector.
-> RandomVector

Create window for random vectors.

wholeRandomVector Source

Arguments

:: RandomVector	Random vector used to convolve the contents.
-> Window	Random vector with size bw nb*.

Create whole random vector from RandomVector.

Unit random vector and control vector in given RandomVector is convolved.

pretty :: Window -> String Source

Show contents of window with printf.

average :: Window -> Double Source

Average of window contents.

variance :: Window -> Double Source

Variance of window contents.

length :: Window -> Int Source

Length of window.