Copyright	(c) 2009-2014 Bryan O'Sullivan
License	BSD-style
Maintainer	bos@serpentine.com
Stability	experimental
Portability	GHC
Safe Haskell	Trustworthy
Language	Haskell2010

Criterion.Analysis

Description

Analysis code for benchmarks.

Synopsis

data Outliers = Outliers {
- samplesSeen :: !Int64
- lowSevere :: !Int64
- lowMild :: !Int64
- highMild :: !Int64
- highSevere :: !Int64
}
data OutlierEffect
- = Unaffected
- | Slight
- | Moderate
- | Severe
data OutlierVariance = OutlierVariance {
- ovEffect :: OutlierEffect
- ovDesc :: String
- ovFraction :: Double
}
data SampleAnalysis = SampleAnalysis {
- anRegress :: [Regression]
- anMean :: Estimate ConfInt Double
- anStdDev :: Estimate ConfInt Double
- anOutlierVar :: OutlierVariance
}
analyseSample :: Int -> String -> Vector Measured -> ExceptT String Criterion Report
scale :: Double -> SampleAnalysis -> SampleAnalysis
analyseMean :: Sample -> Int -> Criterion Double
countOutliers :: Outliers -> Int64
classifyOutliers :: Sample -> Outliers
noteOutliers :: Outliers -> Criterion ()
outlierVariance :: Estimate ConfInt Double -> Estimate ConfInt Double -> Double -> OutlierVariance
resolveAccessors :: [String] -> Either String [(String, Measured -> Maybe Double)]
validateAccessors :: [String] -> String -> Either String [(String, Measured -> Maybe Double)]
regress :: GenIO -> [String] -> String -> Vector Measured -> ExceptT String Criterion Regression

Documentation

data Outliers Source #

Outliers from sample data, calculated using the boxplot technique.

Constructors

Outliers
Fields samplesSeen :: !Int64 lowSevere :: !Int64 More than 3 times the interquartile range (IQR) below the first quartile. lowMild :: !Int64 Between 1.5 and 3 times the IQR below the first quartile. highMild :: !Int64 Between 1.5 and 3 times the IQR above the third quartile. highSevere :: !Int64 More than 3 times the IQR above the third quartile.

Instances

Instances details

FromJSON Outliers Source #

Instance details

Defined in Criterion.Types

Methods

parseJSON :: Value -> Parser Outliers

parseJSONList :: Value -> Parser [Outliers]

omittedField :: Maybe Outliers

ToJSON Outliers Source #

Instance details

Defined in Criterion.Types

Methods

toJSON :: Outliers -> Value

toEncoding :: Outliers -> Encoding

toJSONList :: [Outliers] -> Value

toEncodingList :: [Outliers] -> Encoding

omitField :: Outliers -> Bool

Data Outliers Source #

Instance details

Defined in Criterion.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Outliers -> c Outliers

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Outliers

toConstr :: Outliers -> Constr

dataTypeOf :: Outliers -> DataType

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Outliers)

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Outliers)

gmapT :: (forall b. Data b => b -> b) -> Outliers -> Outliers

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Outliers -> r

gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Outliers -> r

gmapQ :: (forall d. Data d => d -> u) -> Outliers -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> Outliers -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Outliers -> m Outliers

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Outliers -> m Outliers

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Outliers -> m Outliers

Monoid Outliers Source #

Instance details

Defined in Criterion.Types

Methods

mempty :: Outliers

mappend :: Outliers -> Outliers -> Outliers

mconcat :: [Outliers] -> Outliers

Semigroup Outliers Source #

Instance details

Defined in Criterion.Types

Methods

(<>) :: Outliers -> Outliers -> Outliers

sconcat :: NonEmpty Outliers -> Outliers

stimes :: Integral b => b -> Outliers -> Outliers

Generic Outliers Source #

Instance details

Defined in Criterion.Types

Associated Types

type Rep Outliers

Instance details

Defined in Criterion.Types

type Rep Outliers = D1 ('MetaData "Outliers" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "Outliers" 'PrefixI 'True) ((S1 ('MetaSel ('Just "samplesSeen") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: S1 ('MetaSel ('Just "lowSevere") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64)) :*: (S1 ('MetaSel ('Just "lowMild") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: (S1 ('MetaSel ('Just "highMild") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: S1 ('MetaSel ('Just "highSevere") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64)))))

Methods

from :: Outliers -> Rep Outliers x

to :: Rep Outliers x -> Outliers

Read Outliers Source #

Instance details

Defined in Criterion.Types

Methods

readsPrec :: Int -> ReadS Outliers

readList :: ReadS [Outliers]

readPrec :: ReadPrec Outliers

readListPrec :: ReadPrec [Outliers]

Show Outliers Source #

Instance details

Defined in Criterion.Types

Methods

showsPrec :: Int -> Outliers -> ShowS

show :: Outliers -> String

showList :: [Outliers] -> ShowS

Binary Outliers Source #

Instance details

Defined in Criterion.Types

Methods

put :: Outliers -> Put

get :: Get Outliers

putList :: [Outliers] -> Put

NFData Outliers Source #

Instance details

Defined in Criterion.Types

Methods

rnf :: Outliers -> ()

Eq Outliers Source #

Instance details

Defined in Criterion.Types

Methods

(==) :: Outliers -> Outliers -> Bool

(/=) :: Outliers -> Outliers -> Bool

type Rep Outliers Source #

Instance details

Defined in Criterion.Types

type Rep Outliers = D1 ('MetaData "Outliers" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "Outliers" 'PrefixI 'True) ((S1 ('MetaSel ('Just "samplesSeen") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: S1 ('MetaSel ('Just "lowSevere") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64)) :*: (S1 ('MetaSel ('Just "lowMild") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: (S1 ('MetaSel ('Just "highMild") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64) :*: S1 ('MetaSel ('Just "highSevere") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int64)))))

data OutlierEffect Source #

A description of the extent to which outliers in the sample data affect the sample mean and standard deviation.

Constructors

Unaffected	Less than 1% effect.
Slight	Between 1% and 10%.
Moderate	Between 10% and 50%.
Severe	Above 50% (i.e. measurements are useless).

Instances

Instances details

FromJSON OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

parseJSON :: Value -> Parser OutlierEffect

parseJSONList :: Value -> Parser [OutlierEffect]

omittedField :: Maybe OutlierEffect

ToJSON OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

toJSON :: OutlierEffect -> Value

toEncoding :: OutlierEffect -> Encoding

toJSONList :: [OutlierEffect] -> Value

toEncodingList :: [OutlierEffect] -> Encoding

omitField :: OutlierEffect -> Bool

Data OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> OutlierEffect -> c OutlierEffect

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c OutlierEffect

toConstr :: OutlierEffect -> Constr

dataTypeOf :: OutlierEffect -> DataType

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c OutlierEffect)

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c OutlierEffect)

gmapT :: (forall b. Data b => b -> b) -> OutlierEffect -> OutlierEffect

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> OutlierEffect -> r

gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> OutlierEffect -> r

gmapQ :: (forall d. Data d => d -> u) -> OutlierEffect -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> OutlierEffect -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> OutlierEffect -> m OutlierEffect

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> OutlierEffect -> m OutlierEffect

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> OutlierEffect -> m OutlierEffect

Generic OutlierEffect Source #

Instance details

Defined in Criterion.Types

Associated Types

type Rep OutlierEffect

Instance details

Defined in Criterion.Types

type Rep OutlierEffect = D1 ('MetaData "OutlierEffect" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) ((C1 ('MetaCons "Unaffected" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "Slight" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "Moderate" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "Severe" 'PrefixI 'False) (U1 :: Type -> Type)))

Methods

from :: OutlierEffect -> Rep OutlierEffect x

to :: Rep OutlierEffect x -> OutlierEffect

Read OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

readsPrec :: Int -> ReadS OutlierEffect

readList :: ReadS [OutlierEffect]

readPrec :: ReadPrec OutlierEffect

readListPrec :: ReadPrec [OutlierEffect]

Show OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

showsPrec :: Int -> OutlierEffect -> ShowS

show :: OutlierEffect -> String

showList :: [OutlierEffect] -> ShowS

Binary OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

put :: OutlierEffect -> Put

get :: Get OutlierEffect

putList :: [OutlierEffect] -> Put

NFData OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

rnf :: OutlierEffect -> ()

Eq OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

(==) :: OutlierEffect -> OutlierEffect -> Bool

(/=) :: OutlierEffect -> OutlierEffect -> Bool

Ord OutlierEffect Source #

Instance details

Defined in Criterion.Types

Methods

compare :: OutlierEffect -> OutlierEffect -> Ordering

(<) :: OutlierEffect -> OutlierEffect -> Bool

(<=) :: OutlierEffect -> OutlierEffect -> Bool

(>) :: OutlierEffect -> OutlierEffect -> Bool

(>=) :: OutlierEffect -> OutlierEffect -> Bool

max :: OutlierEffect -> OutlierEffect -> OutlierEffect

min :: OutlierEffect -> OutlierEffect -> OutlierEffect

type Rep OutlierEffect Source #

Instance details

Defined in Criterion.Types

type Rep OutlierEffect = D1 ('MetaData "OutlierEffect" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) ((C1 ('MetaCons "Unaffected" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "Slight" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "Moderate" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "Severe" 'PrefixI 'False) (U1 :: Type -> Type)))

data OutlierVariance Source #

Analysis of the extent to which outliers in a sample affect its standard deviation (and to some extent, its mean).

Constructors

OutlierVariance
Fields ovEffect :: OutlierEffect Qualitative description of effect. ovDesc :: String Brief textual description of effect. ovFraction :: Double Quantitative description of effect (a fraction between 0 and 1).

Instances

Instances details

FromJSON OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

parseJSON :: Value -> Parser OutlierVariance

parseJSONList :: Value -> Parser [OutlierVariance]

omittedField :: Maybe OutlierVariance

ToJSON OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

toJSON :: OutlierVariance -> Value

toEncoding :: OutlierVariance -> Encoding

toJSONList :: [OutlierVariance] -> Value

toEncodingList :: [OutlierVariance] -> Encoding

omitField :: OutlierVariance -> Bool

Data OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> OutlierVariance -> c OutlierVariance

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c OutlierVariance

toConstr :: OutlierVariance -> Constr

dataTypeOf :: OutlierVariance -> DataType

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c OutlierVariance)

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c OutlierVariance)

gmapT :: (forall b. Data b => b -> b) -> OutlierVariance -> OutlierVariance

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> OutlierVariance -> r

gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> OutlierVariance -> r

gmapQ :: (forall d. Data d => d -> u) -> OutlierVariance -> [u]

gmapQi :: Int -> (forall d. Data d => d -> u) -> OutlierVariance -> u

gmapM :: Monad m => (forall d. Data d => d -> m d) -> OutlierVariance -> m OutlierVariance

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> OutlierVariance -> m OutlierVariance

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> OutlierVariance -> m OutlierVariance

Generic OutlierVariance Source #

Instance details

Defined in Criterion.Types

Associated Types

type Rep OutlierVariance

Instance details

Defined in Criterion.Types

type Rep OutlierVariance = D1 ('MetaData "OutlierVariance" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "OutlierVariance" 'PrefixI 'True) (S1 ('MetaSel ('Just "ovEffect") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 OutlierEffect) :*: (S1 ('MetaSel ('Just "ovDesc") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String) :*: S1 ('MetaSel ('Just "ovFraction") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Double))))

Methods

from :: OutlierVariance -> Rep OutlierVariance x

to :: Rep OutlierVariance x -> OutlierVariance

Read OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

readsPrec :: Int -> ReadS OutlierVariance

readList :: ReadS [OutlierVariance]

readPrec :: ReadPrec OutlierVariance

readListPrec :: ReadPrec [OutlierVariance]

Show OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

showsPrec :: Int -> OutlierVariance -> ShowS

show :: OutlierVariance -> String

showList :: [OutlierVariance] -> ShowS

Binary OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

put :: OutlierVariance -> Put

get :: Get OutlierVariance

putList :: [OutlierVariance] -> Put

NFData OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

rnf :: OutlierVariance -> ()

Eq OutlierVariance Source #

Instance details

Defined in Criterion.Types

Methods

(==) :: OutlierVariance -> OutlierVariance -> Bool

(/=) :: OutlierVariance -> OutlierVariance -> Bool

type Rep OutlierVariance Source #

Instance details

Defined in Criterion.Types

type Rep OutlierVariance = D1 ('MetaData "OutlierVariance" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "OutlierVariance" 'PrefixI 'True) (S1 ('MetaSel ('Just "ovEffect") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 OutlierEffect) :*: (S1 ('MetaSel ('Just "ovDesc") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String) :*: S1 ('MetaSel ('Just "ovFraction") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Double))))

data SampleAnalysis Source #

Result of a bootstrap analysis of a non-parametric sample.

Constructors

SampleAnalysis
Fields anRegress :: [Regression] Estimates calculated via linear regression. anMean :: Estimate ConfInt Double Estimated mean. anStdDev :: Estimate ConfInt Double Estimated standard deviation. anOutlierVar :: OutlierVariance Description of the effects of outliers on the estimated variance.

Instances

Instances details

FromJSON SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

parseJSON :: Value -> Parser SampleAnalysis

parseJSONList :: Value -> Parser [SampleAnalysis]

omittedField :: Maybe SampleAnalysis

ToJSON SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

toJSON :: SampleAnalysis -> Value

toEncoding :: SampleAnalysis -> Encoding

toJSONList :: [SampleAnalysis] -> Value

toEncodingList :: [SampleAnalysis] -> Encoding

omitField :: SampleAnalysis -> Bool

Generic SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Associated Types

type Rep SampleAnalysis

Instance details

Defined in Criterion.Types

type Rep SampleAnalysis = D1 ('MetaData "SampleAnalysis" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "SampleAnalysis" 'PrefixI 'True) ((S1 ('MetaSel ('Just "anRegress") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Regression]) :*: S1 ('MetaSel ('Just "anMean") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Estimate ConfInt Double))) :*: (S1 ('MetaSel ('Just "anStdDev") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Estimate ConfInt Double)) :*: S1 ('MetaSel ('Just "anOutlierVar") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 OutlierVariance))))

Methods

from :: SampleAnalysis -> Rep SampleAnalysis x

to :: Rep SampleAnalysis x -> SampleAnalysis

Read SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

readsPrec :: Int -> ReadS SampleAnalysis

readList :: ReadS [SampleAnalysis]

readPrec :: ReadPrec SampleAnalysis

readListPrec :: ReadPrec [SampleAnalysis]

Show SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

showsPrec :: Int -> SampleAnalysis -> ShowS

show :: SampleAnalysis -> String

showList :: [SampleAnalysis] -> ShowS

Binary SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

put :: SampleAnalysis -> Put

get :: Get SampleAnalysis

putList :: [SampleAnalysis] -> Put

NFData SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

rnf :: SampleAnalysis -> ()

Eq SampleAnalysis Source #

Instance details

Defined in Criterion.Types

Methods

(==) :: SampleAnalysis -> SampleAnalysis -> Bool

(/=) :: SampleAnalysis -> SampleAnalysis -> Bool

type Rep SampleAnalysis Source #

Instance details

Defined in Criterion.Types

type Rep SampleAnalysis = D1 ('MetaData "SampleAnalysis" "Criterion.Types" "criterion-1.6.3.0-9Q9DiCBFrUVt1MK2yVv8x" 'False) (C1 ('MetaCons "SampleAnalysis" 'PrefixI 'True) ((S1 ('MetaSel ('Just "anRegress") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Regression]) :*: S1 ('MetaSel ('Just "anMean") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Estimate ConfInt Double))) :*: (S1 ('MetaSel ('Just "anStdDev") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (Estimate ConfInt Double)) :*: S1 ('MetaSel ('Just "anOutlierVar") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 OutlierVariance))))

analyseSample Source #

Arguments

:: Int	Experiment number.
-> String	Experiment name.
-> Vector Measured	Sample data.
-> ExceptT String Criterion Report

Perform an analysis of a measurement.

scale Source #

Arguments

:: Double	Value to multiply by.
-> SampleAnalysis
-> SampleAnalysis

Multiply the Estimates in an analysis by the given value, using scale.

analyseMean Source #

Arguments

:: Sample
-> Int	Number of iterations used to compute the sample.
-> Criterion Double

Display the mean of a Sample, and characterise the outliers present in the sample.

countOutliers :: Outliers -> Int64 Source #

Count the total number of outliers in a sample.

classifyOutliers :: Sample -> Outliers Source #

Classify outliers in a data set, using the boxplot technique.

noteOutliers :: Outliers -> Criterion () Source #

Display a report of the Outliers present in a Sample.

outlierVariance Source #

Arguments

:: Estimate ConfInt Double	Bootstrap estimate of sample mean.
-> Estimate ConfInt Double	Bootstrap estimate of sample standard deviation.
-> Double	Number of original iterations.
-> OutlierVariance

Compute the extent to which outliers in the sample data affect the sample mean and standard deviation.

resolveAccessors :: [String] -> Either String [(String, Measured -> Maybe Double)] Source #

Given a list of accessor names (see measureKeys), return either a mapping from accessor name to function or an error message if any names are wrong.

validateAccessors Source #

Arguments

:: [String]	Predictor names.
-> String	Responder name.
-> Either String [(String, Measured -> Maybe Double)]

Given predictor and responder names, do some basic validation, then hand back the relevant accessors.

regress Source #

Arguments

:: GenIO
-> [String]	Predictor names.
-> String	Responder name.
-> Vector Measured
-> ExceptT String Criterion Regression

Regress the given predictors against the responder.

Errors may be returned under various circumstances, such as invalid names or lack of needed data.

See olsRegress for details of the regression performed.