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jvs:fscan:manual:chapter2:expression:tsmooth [2012/04/22 20:14] voyvodic |
jvs:fscan:manual:chapter2:expression:tsmooth [2023/02/23 18:43] (current) |
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**fScan Reference Manual, Chapter 2 (CmdLineOptions: | **fScan Reference Manual, Chapter 2 (CmdLineOptions: | ||
===== tsmooth -- Temporal smoothing filter ===== | ===== tsmooth -- Temporal smoothing filter ===== | ||
- | | + | |
TSMOOTH uses sliding window averaging across time to smooth each voxel time series. | TSMOOTH uses sliding window averaging across time to smooth each voxel time series. | ||
- | NPTS is how many contiguous time points to average together in the sliding window. | + | TWIN indicates |
+ | By default TWIN is the number of time points, but if FLAG&1 (odd value) then TWIN is in seconds. | ||
- | FLAG:\\ | + | FLAG (combine options by addition):\\ |
- | * 1 - subtract mean of original time course from smoothed time course | + | * 1 - TWIN is the smoothing window in seconds (default is number of time points) |
- | * 2 - subtract smoothed time course from original time course | + | * 2 - subtract mean of original time course from smoothed time course |
+ | * 4 - subtract smoothed time course from original time course | ||
**See Also:**\\ | **See Also:**\\ |