ne

ne( QDataSet ds1, QDataSet ds2 ) → QDataSet

element-wise not equal test. 1.0 is returned where elements are not equal. Fill is returned where either measurement is invalid.

Parameters

ds1 -
ds2 -

Returns:

org.das2.qds.QDataSet

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negate

negate( QDataSet ds1 ) → QDataSet

return a dataset with each element negated. If units are specified, Units must be ratiometric units, like "5 km" or dimensionless, and not ordinal or time location units.

Parameters

ds1 -

Returns:

org.das2.qds.QDataSet

See Also:

Ops_c.md#copysign
Ops_s.md#signum


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neighborFill

neighborFill( QDataSet ds ) → QDataSet

fill in the missing values by copying nearest data points. All data in the result will be copies of elements found in the result, but no regard is given to how far a point is shifted. This was motivated by supporting fill in median.

Parameters

ds -

Returns:

dataset that does not contain fill.

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normalize

normalize( QDataSet ds ) → QDataSet

normalize the data so that the max is 1, where we normalize by the biggest

Parameters

ds -

Returns:

dataset with the same geometry as ds.

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not

not( QDataSet ds1 ) → QDataSet

element-wise logical not function. non-zero is true, zero is false.

Parameters

ds1 -

Returns:

org.das2.qds.QDataSet

See Also:

Ops_b.md#bitwiseXor(QDataSet, QDataSet)


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