Alex Herbert created STATISTICS-90:
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Summary: Support statistic creation using an array range
Key: STATISTICS-90
URL: https://issues.apache.org/jira/browse/STATISTICS-90
Project: Commons Statistics
Issue Type: New Feature
Components: descriptive
Affects Versions: 1.1
Reporter: Alex Herbert
Add support for using part of an array to create statistics:
{code:java}
double[] x = ...
int from = ...
int to = ...
Min.ofRange(x, from, to);
DoubleStatistics.ofRange(EnumSet.of(Statistic.MIN), x, from, to);{code}
This change should have no impact on performance for full length arrays and
improve memory consumption by avoiding array copies on sub-ranges. Results from
STATISTICS-89 indicate a non-negligible performance gain for fast computing
statistics.
Note: Support for sub-ranges is present in the Commons Math UnivariateStatistic
interface. This change will allow supporting replacement of the Math API with
Statistics.
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