public final class SmallSample
extends java.lang.Object
Constructor and Description |
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SmallSample() |
Modifier and Type | Method and Description |
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static double |
lambdaSignalMinus(int k,
double beta,
double lambdaback)
Returns the confidence limit lambda_signal- for a small sample in the presence of background.
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static double |
lambdaSignalPlus(int k,
double beta,
double lambdaback)
Returns the confidence limit lambda_signal+ for a small sample in the presence of background.
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static double |
lambdaSignalUpper(int k,
double beta,
double lambdaback)
Returns the confidence limit lambda_signal(up) for a small sample in the presence of background.
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static double |
ratioSignalMinus(int k,
int d,
double beta,
double ratioback)
Returns the confidence limit r_signal- for the ratio of signal and reference events in the presence of background.
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static double |
ratioSignalPlus(int k,
int d,
double beta,
double ratioback)
Returns the confidence limit r_signal+ for the ratio of signal and reference events in the presence of background.
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static double |
ratioSignalUpper(int k,
int d,
double beta,
double ratioback)
Returns the confidence limit r_signal(up) for the ratio of signal and reference events in the presence of background.
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public static double lambdaSignalMinus(int k, double beta, double lambdaback)
k
- number of observed eventsbeta
- confidence level.lambdaback
- Poisson parameter of background.public static double lambdaSignalPlus(int k, double beta, double lambdaback)
k
- number of observed eventsbeta
- confidence level.lambdaback
- Poisson parameter of background.public static double lambdaSignalUpper(int k, double beta, double lambdaback)
k
- number of observed eventsbeta
- confidence level.lambdaback
- Poisson parameter of background.public static double ratioSignalMinus(int k, int d, double beta, double ratioback)
k
- number of observed events..d
- number of reference events.beta
- confidence level.ratioback
- expected ratio of background to reference events.public static double ratioSignalPlus(int k, int d, double beta, double ratioback)
k
- number of observed events..d
- number of reference events.beta
- confidence level.ratioback
- expected ratio of background to reference events.public static double ratioSignalUpper(int k, int d, double beta, double ratioback)
k
- number of observed events..d
- number of reference events.beta
- confidence level.ratioback
- expected ratio of background to reference events.