# Changeset 138

Ignore:
Timestamp:
Aug 20, 2004, 12:30:37 PM (17 years ago)
Message:

Location:
trunk/src
Files:
2 edited

### Legend:

Unmodified
 r137 /// /// @return standard deviation /// The standard deviation is defined as the square root of the /// variance. @return standard deviation /// inline double standard_deviation(void) const {  return sqrt(variance()); } /// /// The standard deviation is defined as the square root of the /// variance. @return standard deviation /// inline double std(void) const {  return sqrt(variance()); } /// /// ///The variance is calculated using the (n-1) correction, so the ///expectation value is unbiased @return variance ///The variance is calculated using the (n-1) correction, which ///means it is the best unbiased estimator of the variance \f$///\frac{1}{N-1}\sum_i (x_i-m)^2\f$, where \f$m\f$ is the ///mean@return variance /// inline double variance(void) const