Repeated measures correlation (rmcorr) is a statistical technique for determining the common within-individual association for paired measures assessed on two or more occasions for multiple individuals.
install.packages('rmcorr') #development version: # install.packages("devtools") devtools::install_github("lmarusich/rmcorr")
library(rmcorr) rmcorr(Subject, PaCO2, pH, bland1995) #> Warning in rmcorr(Subject, PaCO2, pH, bland1995): 'Subject' coerced into a #> factor #> #> Repeated measures correlation #> #> r #> -0.5067697 #> #> degrees of freedom #> 38 #> #> p-value #> 0.0008471081 #> #> 95% confidence interval #> -0.7067146 -0.2318631
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