Safe Haskell	None
Language	Haskell98

Statistics.Test.ChiSquared

Contents

Data types

Description

Pearson's chi squared test.

Synopsis

Documentation

chi2test

Arguments

:: (Vector v (Int, Double), Vector v Double)
=> Double	p-value
-> Int	Number of additional degrees of freedom. One degree of freedom is due to the fact that the are N observation in total and accounted for automatically.
-> v (Int, Double)	Observation and expectation.
-> TestResult

Generic form of Pearson chi squared tests for binned data. Data sample is supplied in form of tuples (observed quantity, expected number of events). Both must be positive.

Data types

data TestType

Test type. Exact meaning depends on a specific test. But generally it's tested whether some statistics is too big (small) for OneTailed or whether it too big or too small for TwoTailed

Constructors

OneTailed
TwoTailed

Instances

Eq TestType
Data TestType
Ord TestType
Show TestType
Generic TestType
ToJSON TestType
FromJSON TestType
type Rep TestType

data TestResult

Result of hypothesis testing

Constructors

Significant	Null hypothesis should be rejected
NotSignificant	Data is compatible with hypothesis

Instances

Eq TestResult
Data TestResult
Ord TestResult
Show TestResult
Generic TestResult
ToJSON TestResult
FromJSON TestResult
type Rep TestResult