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zivaCalculusExt

Allows you to perform calculus on numerical and boolean history grids in SkySpark.
zivaCalculusExtAxon funcs

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v1.8.0

zivaFindIntervals
zivaFindIntervals(hisGrid)

Find Intervals

  • Return the ts, interval of a hisGrid
  • Side Effects: Lose first ts of hisGrid
  • Input: ts, val grid
  • Output: Transmuted history grid of ts, interval
  • read(temp and discharge).hisRead(yesterday).zivaHisFindIntervals()
zivaHisAddRectIntegral
zivaHisAddRectIntegral(hisGrid)

Cumulative Integral/Area under the Curve from Rectangle Method Approximation

  • Supports a true History Grid with multiple V columns
  • Should be exact for COV Points
  • Side Effect: Data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers and/or booleans
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisAddRectIntegral()
zivaHisAddTrapIntegral
zivaHisAddTrapIntegral(hisGrid)

Cumulative Integral/Area under the Curve from Trapezoid Method Approximation

  • Supports a true History Grid with multiple V columns
  • Should be exact for Linear Points
  • Side Effect: Data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers and/or booleans
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisAddTrapIntegral()
zivaHisDelta
zivaHisDelta(hisGrid)

Rolling Delta

  • Supports a true History Grid with multiple V columns
  • Side Effect: Data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers
  • Output: Transmuted history grid of ts, V*n columns
  • Example: Get change between samples
  • readAll(temp and discharge).hisRead(yesterday).zivaHisDelta()
zivaHisDerivative
zivaHisDerivative(hisGrid)

Derivative

  • Supports a true History Grid with multiple V columns
  • Slope going to ts data-point is used as derivative of ts data-point
  • Side Effects: Lose first ts of hisGrid; data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers and/or booleans
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisDerivative()
zivaHisRectIntegral
zivaHisRectIntegral(hisGrid)

Integral from Rectangle Method Approximation

  • Supports a true History Grid with multiple V columns
  • Should be exact for COV Points
  • Side Effects: Lose first ts of hisGrid; data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers and/or booleans
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisRectIntegral()
zivaHisShiftDataBack
zivaHisShiftDataBack(hisGrid)

Shift Data Back in Time One TS

  • Supports a true History Grid with multiple V columns
  • Side Effect: Lose last ts
  • Input: ts, val*n grid where val*n can be multiple V columns
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisShiftDataBack()
zivaHisShiftDataForward
zivaHisShiftDataForward(hisGrid, removeTop: true)

Shift Data Forward in Time One TS

  • Supports a true History Grid with multiple V columns
  • Side Effect: Lose last first ts (see leave it with null value if set 2nd parameter to false)
  • Input: ts, val*n grid where val*n can be multiple V columns
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisShiftDataBack()
  • readAll(temp and discharge).hisRead(yesterday).zivaHisShiftDataBack(false)
zivaHisSum
zivaHisSum(hisGrid)

Rolling Sum

  • Supports a true History Grid with multiple V columns
  • Side Effect: Data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers
  • Output: Transmuted history grid of ts, V*n columns
  • Example: Turn energy differentials to totalized values
  • readAll(temp and discharge).hisRead(yesterday).zivaHisSum()
zivaHisTrapIntegral
zivaHisTrapIntegral(hisGrid)

Integral from Trapezoid Method Approximation

  • Supports a true History Grid with multiple V columns
  • Should be exact for linear Points
  • Side Effects: Lose first ts of hisGrid; data interpolated
  • Input: ts, val*n grid where val*n can be multiple V columns with numbers and/or booleans
  • Output: Transmuted history grid of ts, V*n columns
  • readAll(temp and discharge).hisRead(yesterday).zivaHisTrapIntegral()
zivaHisZScore
zivaHisZScore(src)

Get each ZScore of each cell of a hisGrid

  • Supports a true History Grid with multiple V columns
  • Side Effects: None
  • Input: ts, v0 grid
  • Output: Transmuted history grid of ts, v0 columns
  • read(zone and air and temp and sensor).hisRead(pastMonth).zivaHisZScore
  • readAll(power).hisRead(pastMonth).zivaHisZScore
zivaPostUnitFixer
zivaPostUnitFixer(value)

Unit Fixing Function

  • Function used to fix time units in calculus functions.
  • Fixes resultant units
  • Inputs: Number with units
  • Output: Number with clean units
zivaPreUnitFixer
zivaPreUnitFixer(value)

Function used to convert booleans and fix null units

  • Fixes input units
  • Inputs: Number or boolean
  • Output: Number with units
zivaSeparatePeriods
zivaSeparatePeriods(hisDurGrid, interval: 15min)

Separate Periods of a HisDurGrid into the Requested Interval

  • Useful for passing to hisInterpolate
  • Does not support multiple V columns
  • Side Effect: Data automatically hisClipped
  • Input: ts, dur grid and optional interval (defVal: 15min)
  • Output: Transmuted history grid of ts, broken up durs
  • read(temp and discharge).hisRead(yesterday).hisFindPeriods(x => x > 70).zivaSeparatePeriods
  • read(temp and discharge).hisRead(yesterday).hisFindPeriods(x => x > 70).zivaSeparatePeriods(1hr)
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