data.dti | R Documentation |
A diffusion tensor imaging study comparing brain activity of six dyslexic children versus six normal controls. Two-sample tests produced z-values at N = 15443 voxels (3-dimensional brain locations), with each z_i \sim N(0,1) under the null hypothesis of no difference between the dyslexic and normal children.
data(data.dti)
A data frame with 15443 observations on the following 4 variables.
coordx
A list of x coordinates
coordy
A list of y coordinates
coordz
A list of z coordinates
z
The z-values.
http://statweb.stanford.edu/~ckirby/brad/LSI/datasets-and-programs/datasets.html
Efron, B. (2012). "Large-scale inference: empirical Bayes methods for estimation, testing, and prediction". Cambridge University Press.
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