PPIFn - Sigma Knowledge base Browser

appearance as argument number 1

(documentation PPIFn EnglishLanguage "QualifyingPurchases per TreatedUser in TimeInterval. Accounts for purchases immediately following a qualifying event")	UXExperimentalTerms.kif 3090-3091
(domain PPIFn 1 Experimenting)	UXExperimentalTerms.kif 3084-3084	The number 1 argument of qualifying purchases per user per interval is an instance of experimenting
(domain PPIFn 2 TimeInterval)	UXExperimentalTerms.kif 3086-3086	The number 2 argument of qualifying purchases per user per interval is an instance of time interval
(instance PPIFn BinaryFunction)	UXExperimentalTerms.kif 3082-3082	Qualifying purchases per user per interval is an instance of binary function
(range PPIFn RealNumber)	UXExperimentalTerms.kif 3088-3088	The range of qualifying purchases per user per interval is an instance of real number

appearance as argument number 2

(format ChineseLanguage PPIFn "purchases per user 在 %1 期间 %2 ")	domainEnglishFormat.kif 4190-4190
(format ChineseTraditionalLanguage PPIFn "purchases per user 在 %1 期間 %2 ")	domainEnglishFormat.kif 4189-4189
(format EnglishLanguage PPIFn "purchases per user in %1 during %2")	domainEnglishFormat.kif 4188-4188
(termFormat EnglishLanguage PPIFn "qualifying purchases per user per interval")	UXExperimentalTerms.kif 3093-3093

consequent

(=>
    (and
        (instance ?EXPERIMENT Experimenting)
        (instance ?INTERVAL TimeInterval))
    (equal
        (DivisionFn
            (CardinalityFn
                (KappaFn ?PURCHASE
                    (and
                        (instance ?PURCHASE Buying)
                        (member ?PURCHASE
                            (QualifyingPurchasesFn ?EXPERIMENT))
                        (during
                            (WhenFn ?PURCHASE) ?INTERVAL))))
            (CardinalityFn
                (KappaFn ?USER
                    (and
                        (member ?USER
                            (TreatedUsersFn ?EXPERIMENT))
                        (instance ?ACCESSING AccessingWebPage)
                        (during
                            (WhenFn ?ACCESSING) ?INTERVAL)
                        (agent ?ACCESSING ?USER)))))
        (PPIFn ?EXPERIMENT ?INTERVAL)))

UXExperimentalTerms.kif 3095-3114

If an experimenting is an instance of experimenting and a time interval is an instance of time interval,
then the number of instances in the class described by a symbolic string and the number of instances in the class described by another symbolic string is equal to purchases per user in the experimenting during the time interval

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