java.lang.Object | |
↳ | org.jfree.data.statistics.MeanAndStandardDeviation |
A simple data structure that holds a mean value and a standard deviation
value. This is used in the
DefaultStatisticalCategoryDataset
class.
Public Constructors | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Creates a new mean and standard deviation record.
| |||||||||||
Creates a new mean and standard deviation record.
|
Public Methods | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Tests this instance for equality with an arbitrary object.
| |||||||||||
Returns the mean.
| |||||||||||
Returns the mean as a double primitive.
| |||||||||||
Returns the standard deviation.
| |||||||||||
Returns the standard deviation as a double primitive.
| |||||||||||
Returns a string representing this instance.
|
[Expand]
Inherited Methods | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
From class
java.lang.Object
|
Creates a new mean and standard deviation record.
mean | the mean. |
---|---|
standardDeviation | the standard deviation. |
Creates a new mean and standard deviation record.
mean | the mean (null permitted). |
---|---|
standardDeviation | the standard deviation (null
permitted.
|
Tests this instance for equality with an arbitrary object.
obj | the object (null permitted). |
---|
Returns the mean as a double primitive. If the underlying mean is
null
, this method will return Double.NaN
.
Returns the standard deviation.
Returns the standard deviation as a double primitive. If the underlying
standard deviation is null
, this method will return
Double.NaN
.