The NormTwoSample type exposes the following members.
Constructors
Name | Description | |
---|---|---|
NormTwoSample |
Constructor to compute statistics for mean and variance inferences
using samples from two normal populations.
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Methods
Name | Description | |
---|---|---|
DowndateX |
Removes the observations in x from the first sample.
| |
DowndateY |
Removes the observations in y from the second sample.
| |
Equals | (Inherited from Object.) | |
Finalize |
Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
(Inherited from Object.) | |
GetHashCode |
Serves as a hash function for a particular type.
(Inherited from Object.) | |
GetType |
Gets the Type of the current instance.
(Inherited from Object.) | |
MemberwiseClone |
Creates a shallow copy of the current Object.
(Inherited from Object.) | |
ToString | (Inherited from Object.) | |
Update |
Concatenates samples x and y to the samples provided in
the constructor.
| |
UpdateX |
Concatenates the values in x to the first sample provided in
the constructor.
| |
UpdateY |
Concatenates the values in y to the second sample provided in
the constructor.
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Properties
Name | Description | |
---|---|---|
ChiSquaredTest |
The test statistic associated with the chi-squared test for common,
or pooled, variances.
| |
ChiSquaredTestDF |
The degrees of freedom associated with the chi-squared test for the
common, or pooled, variances.
| |
ChiSquaredTestNull |
The null hypothesis value for the chi-squared test.
| |
ChiSquaredTestP |
The probability of a larger chi-squared associated with the
chi-squared test for common, or pooled, variances.
| |
ConfidenceMean |
The confidence level (in percent) for a two-sided interval estimate
of the mean of x - the mean of y, in percent.
| |
ConfidenceVariance |
The confidence level (in percent) for two-sided interval estimate of
the variances.
| |
DiffMean |
The difference of means for the two samples.
| |
FTest |
The F test value of the F test for equality of
variances.
| |
FTestDFdenominator |
The denominator degrees of freedom of the F test for equality
of variances.
| |
FTestDFnumerator |
The numerator degrees of freedom of the F test for equality of
variances.
| |
FTestP |
The probability of a larger F in absolute value for the
F test for equality of variances, assuming equal variances.
| |
LowerCICommonVariance |
The lower confidence limits for the common, or pooled, variance.
| |
LowerCIDiff |
The lower confidence limit for the mean of the first population minus
the mean of the second for equal or unequal variances.
| |
LowerCIRatioVariance |
The approximate lower confidence limit for the ratio of the variance
of the first population to the second.
| |
MeanX |
The mean of the first sample, x.
| |
MeanY |
The mean of the second sample, y.
| |
PooledVariance |
The Pooled variance for the two samples.
| |
StdDevX |
The standard deviation of the first sample, x.
| |
StdDevY |
The standard deviation of the second sample, y.
| |
TTest |
The test statistic for the Satterthwaite's approximation for equal or
unequal variances.
| |
TTestDF |
The degrees of freedom for the Satterthwaite's approximation for
t-test for either equal or unequal variances.
| |
TTestNull |
The Null hypothesis value for t-test for the mean.
| |
TTestP |
The approximate probability of a larger t for the
Satterthwaite's approximation for equal or unequal variances.
| |
UnequalVariances |
Specifies whether to return statistics based on equal or unequal
variances.
| |
UpperCICommonVariance |
The upper confidence limits for the common, or pooled, variance.
| |
UpperCIDiff |
The upper confidence limit for the mean of the first population minus
the mean of the second for equal or unequal variances.
| |
UpperCIRatioVariance |
The approximate upper confidence limit for the ratio of the variance
of the first population to the second.
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