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card (version 0.1.0)

cosinor_goodness_of_fit: Goodness of Fit of Cosinor

Description

Goodness of fit of a cosinor from data that has multiple collections at different timepoints or from multiple cycles. The RSS is partitioned into pure error (SSPE) and lack of fit (SSLOF). An F-test compares the SSPE and SSLOF to detect appropriateness of model.

SSLOF=RSSSSPE

SSPE=il(YilYi)2

The fitted values for each time point are: Yi=lYilni

Usage

cosinor_goodness_of_fit(object, level = 0.95, ...)

Arguments

object

requires cosinor model generated with card::cosinor to calculate statistics.

level

confidence level desired

...

additional parameters may be needed for extensibility

Value

f-statistic as result of goodness of fit