Calculation in Software Packages
ICC is supported by the R software package (using the icc command with packages psy, psych or irr). Non-free software also supports ICC, for instance SPSS
| Shrout and Fleiss convention | Name in SPSS |
|---|---|
| ICC(1,1) | One-way random single measures |
| ICC(1,k) | One-way random average measures |
| ICC(2,1) | Two-way random single measures (Consistency/Absolute agreement) |
| ICC(2,k) | Two-way random average measures (Consistency/Absolute agreement) |
| ICC(3,1) | Two-way mixed single measures (Consistency/Absolute agreement) |
| ICC(3,k) | Two-way mixed average measures (Consistency/Absolute agreement) |
Read more about this topic: Intraclass Correlation
Famous quotes containing the word calculation:
““To my thinking” boomed the Professor, begging the question as usual, “the greatest triumph of the human mind was the calculation of Neptune from the observed vagaries of the orbit of Uranus.”
“And yours,” said the P.B.”
—Samuel Beckett (1906–1989)