At the course "Statsitical Analysis of Method Comparison Studies" ai the SISMEC conference in Ancona, on 28 September 2011, the participants on the course were used as raters of ten pictures of points. Pitures were shown 3 times each to the participants, and they assessed the number of points in each.
A data frame with 510 observations on the following 4 variables.
ratera factor with 17 levels
itema numeric vector indicating the pictures shown. The value is the actual number of points.
repla numeric vector, replicate number
scorea numeric vector, the number of
points in item
The course "Statsitical Analysis of Method Comparison Studies" ai the SISMEC conference in Ancona, on 28 September 2011.
library( MethComp )
data( Ancona )
Anc <- Meth( Ancona, 1, 2, 3, 4 )
#> The following variables from the dataframe
#> "Ancona" are used as the Meth variables:
#> meth: rater
#> item: item
#> repl: repl
#> y: score
#> #Replicates
#> Method 3 #Items #Obs: 510 Values: min med max
#> 112345 10 10 30 18 58.5 102
#> 1212 10 10 30 20 69.0 145
#> 123 10 10 30 12 77.0 200
#> 1234 10 10 30 24 68.5 130
#> 12345 10 10 30 17 85.0 147
#> 123456 10 10 30 19 72.0 120
#> 1508 10 10 30 13 47.5 120
#> 456 10 10 30 20 80.0 130
#> 55555 10 10 30 15 79.0 160
#> A1268796D 10 10 30 23 43.5 130
#> butterscotch 10 10 30 23 78.5 200
#> BxC 10 10 30 14 74.5 130
#> delaunay 10 10 30 14 45.5 120
#> etabeta 10 10 30 18 73.0 150
#> prova1 10 10 30 21 73.0 120
#> r566f6688 10 10 30 20 62.5 140
#> vf 10 10 30 15 31.5 75