Aggregate class determining the standard devation of array values in a group. More...
#include <ExprGroupAggrFuncArray.h>
Public Member Functions | |
TableExprGroupStdDevArrayDouble (TableExprNodeRep *node) | |
virtual | ~TableExprGroupStdDevArrayDouble () |
virtual void | finish () |
If needed, finish the aggregation. |
Aggregate class determining the standard devation of array values in a group.
Internal
Aggregate class determining the standard deviation of array values in a group. It uses a running algorithm (see en.wikipedia.org/wiki/Algorithms_for_calculating_variance)
Definition at line 339 of file ExprGroupAggrFuncArray.h.
casacore::TableExprGroupStdDevArrayDouble::TableExprGroupStdDevArrayDouble | ( | TableExprNodeRep * | node | ) |
virtual casacore::TableExprGroupStdDevArrayDouble::~TableExprGroupStdDevArrayDouble | ( | ) | [virtual] |
virtual void casacore::TableExprGroupStdDevArrayDouble::finish | ( | ) | [virtual] |
If needed, finish the aggregation.
By default nothing is done.
Reimplemented from casacore::TableExprGroupVarianceArrayDouble.