fd: Framewise Displacement

In FIACH: Retrospective Noise Control for fMRI

Description

This function computes the Framewise Displacement of Realignment Parameters. This function assumes that the first 6 columns of the input are the volumetric realignment parameters.

Usage

fd(input)

Arguments

input

A character vector specifying the path to the rp file or a matrix.

Value

returns a time series containing the fd across time

Examples

data(rp)
fd(rp)

Example output

FIACH 0.1.2: For the Graphical User Interface enter GUI() into the console
Warning messages:
1: no DISPLAY variable so Tk is not available 
2: loading Rplot failed 
                    2          3          4          5          6          7 
0.00000000 0.13697630 0.11511992 0.05665930 0.11407508 0.16663702 0.08271127 
         8          9         10         11         12         13         14 
0.07897507 0.07593102 0.07329544 0.13177796 0.09366620 0.06482677 0.08646311 
        15         16         17         18         19         20         21 
0.12673575 0.07080539 0.07427802 0.04371789 0.03468535 0.04164337 0.03275600 
        22         23         24         25         26         27         28 
0.05096513 0.04215192 0.05262466 0.04117286 0.02897607 0.03207635 0.12612476 
        29         30         31         32         33         34         35 
0.11041233 0.08679674 0.09003090 0.07327717 0.07981267 0.08315015 0.07740885 
        36         37         38         39         40         41         42 
0.05263068 0.08413009 0.09581771 0.07411540 0.11065296 0.09038797 0.06815642 
        43         44         45         46         47         48         49 
0.04868630 0.05827805 0.07745824 0.06948776 0.07451875 0.11483611 0.09419410 
        50         51         52         53         54         55         56 
0.07285648 0.09062033 0.07287656 0.05613007 0.04922047 0.03710634 0.03262153 
        57         58         59         60         61         62         63 
0.03308670 0.04469256 0.04235493 0.05800955 0.09839555 0.06358419 0.01842682 
        64         65         66         67         68         69         70 
0.06381265 0.11337925 0.07159455 0.09265277 0.05156189 0.05077312 0.08845834 
        71         72         73         74         75         76         77 
0.02785600 0.07463400 0.21691569 0.10971827 0.07878543 0.08228860 0.06301536 
        78         79         80         81         82         83         84 
0.15500909 0.17183770 0.11124469 0.24164661 0.21751866 0.11725663 0.23912864 
        85         86         87         88         89         90         91 
0.31534652 0.09589582 0.06942150 0.07983869 0.11926918 0.10721864 0.21640055 
        92         93         94         95         96         97         98 
0.64700797 0.13676062 0.06585683 0.09714642 0.03929602 0.03494297 0.09092401 
        99        100        101        102        103        104 
0.06858824 0.04058673 0.04964766 0.06855948 0.04989158 0.04387808 

FIACH documentation built on May 1, 2019, 8:02 p.m.