meanAverageDeviation

meanAverageDeviation( QDataSet ds ) → QDataSet

return the Mean Average Deviation (MAD) of the rank N dataset. The result will contain the USER_PROPERTIES with a map containing the mean and number of points.

Parameters

ds - the rank N dataset.

Returns:

the rank 0 mean average deviation of the dataset.

See Also:

mean(QDataSet)
Ops_i.mdBinAverage#binMeanAverageDeviation(QDataSet, QDataSet)


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medianFilter

medianFilter( QDataSet ds, int size ) → QDataSet

1-D median filter with a boxcar of the given size. The first size/2 elements, and the last size/2 elements are copied from the input.

Parameters

ds - rank 1 or rank 2 dataset. Future implementations may support higher rank data.
size - the boxcar size

Returns:

rank 1 or rank 2 dataset.

See Also:

Ops_s.md#smooth(QDataSet, int)


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merge

merge( QDataSet ds1, QDataSet ds2 ) → QDataSet

Merge the two sorted rank N datasets, using their DEPEND_0 datasets, into one rank N dataset. If neither dataset has DEPEND_0, then this will use the datasets themselves. When ds1 occurs "before" ds2, then this is the same as concatenate. When there is a collision where two data points are coincident, use ds1[j]. This is fuzzy, based on the depend_0 cadence of ds1. When ds1 is null (or None), use ds2. Thanks to: http://stackoverflow.com/questions/5958169/how-to-merge-two-sorted-arrays-into-a-sorted-array

Parameters

ds1 - rank N dataset, or null.
ds2 - rank N dataset

Returns:

dataset of rank N with elements interleaved.

See Also:

Ops_c.md#concatenate(QDataSet, QDataSet)


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mod

mod( QDataSet ds1, QDataSet ds2 ) → QDataSet

element-wise mod of two datasets with compatible geometry. This should support Units.t2000 mod "24 hours" to get result in hours.

Parameters

ds1 - the numerator
ds2 - the divisor

Returns:

the remainder after the division

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mode

mode( QDataSet ds ) → QDataSet

return the most frequently occurring element of the valid elements of a rank N dataset

Parameters

ds - rank N dataset.

Returns:

the rank 0 dataset

See Also:

mean
median


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