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      cumul7avg
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      Contents

      cumul7avg

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      Article summary

      Successively adds the current row to the previous row and returns the average of the previous seven rows.

      The first 7 rows will return NULL

      Stage 1: Calculate cumulative running total

      Stage 2: Calculate average running total of previous 7 rows

      Purpose

      Use this function to: 

      • Calculate Running Total of 7 day average

      Calculation

      cumul7avg = sum[cumul(X-1):cumul(X-7)] / 7

      Sum[Cumul(x-1):Cumul(X-7)] = sum of previous 7 rows

      Sample Result


      Parameters

      ParameterDescription
      DimensionsDiscrete field(s).    All fields must come from the same table.
      NameName to be displayed as Column Header in result grid
      MeasureThe field to be used in the post-function calculation.
      • Must be numeric if Function is anything other than COUNT.
      • Must come from same table as DIMENSIONS.
      • Supports Discrete or Continuous DataTypes.
      FunctionCOUNT / SUM / AVG / MIN / MAX / STDEV
      Postcumul7avg
      Value

      Optional.   Filter to apply when evaluating FUNCTION.   Only records in the Filter Recordset will be included in the Function and Post-Function calculations.

      Must come from same table as DIMENSION/MEASURE or be linked to the Dimension table.

      Axis0 / 1.    Y-Axis to use when plotting graph.     Default = 0
      PlotY / N.   Specifies whether measure’s output column should be plotted on graph.  Default = Y
      ResolveOptional.   Resolve level for the measure.   If blank, Resolve = Dimension Table
      Series TypeDefault / Bar / Stacked Bar / Line / Spline / RangeLow / RangeHigh / CSLow / CSHigh / CSOpen / CSClose
      Determines the graph style for the measure.
      PopupDefault / None / Extended
      Prefix$ / £ / E / %

      Usage Notes

      This post-function is 1-dimensional and does not reset at any point in the calculation. It can be used with multiple dimensions, but successively adds each row, regardless of the number of dimensions

      The order in which the data rows are returned affects the calculation - be sure to check the Ascending/Descending Label/Value property of the profile.

      Example

      • Example use: Average of last 7 rows running total

      NOTE: Measures 1 and 2 are included purely for illustration. It is not necessary to include these measures for the calculation to work.

      2 dimensions are included in this illustration, but the function does not reset when dimension 1 changes


      Dimension:[transactions].[product_group], [transactions].[productid]

      Measure 1

      • Name: = Count
      • Measure:  = transactions.cid
      • Function: =Count
      • Post: =
      • Value: =
      • Axis: =0
      • Plot:=Y
      • Resolve:=
      • Series Type:=Default
      • Popup:=Default
      • Prefix:=

      Measure 2

      • Name: = Cumul
      • Measure:  = transactions.cid
      • Function: =Count
      • Post: =cumul
      • Value: =
      • Axis: =0
      • Plot:=Y
      • Resolve:=
      • Series Type:=Default
      • Popup:=Default
      • Prefix:=

      Measure 3

      • Name: = cumul7avg
      • Measure:  = transactions.cid
      • Function: =Count
      • Post: =cumul7avg
      • Value: =
      • Axis: =0
      • Plot:=Y
      • Resolve:=
      • Series Type:=Default
      • Popup:=Default
      • Prefix:=

      Options; Row Count = 30

      Sort Order: [Ascending Label]


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