powered by
A dataset containing 100 observations of mean velocity of circumferential fibre shortening (vcf), made by long axis and short axis echocardiography.
vcf
A data frame with 133 rows and 3 variables:
patient identifier
vcf measurement from long axis
vcf measurement from short axis
...
library(VarReg) data(vcf) attach(vcf) plot(rowMeans(vcf[-1]),vcf$vcflong-vcf$vcfshort)
Run the code above in your browser using DataLab