I2C2.rpermute: Compute I2C2 for Permuted Data
In neuroconductor-devel/I2C2: Image Intraclass Correlation Coefficient

Computing the I2C2 of the permuted data.

1	I2C2.rpermute(s = 1, y, id, visit, ...)

`s`	Random seed, Default = 1
`y`	An n by p data matrix containing n vectorized image data with p voxels. Each row contains one observed image data at a particular visit for one subject. Each column contains image values for all subjects and visits at a particular voxel. The rows are organized by subjects and then visits, EX) (Y11, Y12, Y21, Y22, ... , YI1 , YI2)
`id`	Vector of IDs, EX) c(1, 1, 2, 2, 3, 3, 4, 4, ... , I, I)
`visit`	Vector of visits, EX) (1, 2, 1, 2, 1, 2, ... , 1, 2)
`...`	arguments to pass to `I2C2`