Fractional anisotropy (FA) tract profiles for the corpus callosum (cca) and the right corticospinal tract (rcst). Accompanying the tract profiles are the subject ID numbers, visit number, total number of scans, multiple sclerosis case status and Paced Auditory Serial Addition Test (pasat) score.
Data are also include in the refund package in another format.
Format
A tibble with 382 rows and 6 variables:
- id
Subject ID
- visit
The visit number
- sex
The sex of the subject
- case
The multiple sclerosis case status
- cca
The fractional anisotropy (FA) tract profile for the corpus callosum
- rcst
The fractional anisotropy (FA) tract profile for the right corticospinal tract
Details
If you use this data as an example in written work, please include the following acknowledgment: “The MRI/DTI data were collected at Johns Hopkins University and the Kennedy-Krieger Institute"
Examples
dti
#> # A tibble: 382 × 6
#> id visit sex case cca
#> <dbl> <int> <fct> <fct> <tfd_irrg>
#> 1 1001 1 female control [1]: (0.000,0.49);(0.011,0.52);(0.022,0.54); ...
#> 2 1002 1 female control [2]: (0.000,0.47);(0.011,0.49);(0.022,0.50); ...
#> 3 1003 1 male control [3]: (0.000,0.50);(0.011,0.51);(0.022,0.54); ...
#> 4 1004 1 male control [4]: (0.000,0.40);(0.011,0.42);(0.022,0.44); ...
#> 5 1005 1 male control [5]: (0.000,0.40);(0.011,0.41);(0.022,0.40); ...
#> 6 1006 1 male control [6]: (0.000,0.45);(0.011,0.45);(0.022,0.46); ...
#> 7 1007 1 male control [7]: (0.000,0.55);(0.011,0.56);(0.022,0.56); ...
#> 8 1008 1 male control [8]: (0.000,0.45);(0.011,0.48);(0.022,0.50); ...
#> 9 1009 1 male control [9]: (0.000,0.50);(0.011,0.51);(0.022,0.52); ...
#> 10 1010 1 male control [10]: (0.000,0.46);(0.011,0.47);(0.022,0.48); ...
#> # ℹ 372 more rows
#> # ℹ 1 more variable: rcst <tfd_irrg>