SDM calculations

Mean analyses

This procedure calculates meta-analytic means, with their statistical significance based on Monte Carlo randomizations. You can specify a filter for subgroup analyses.

To calculate a mean

Press the button [Mean]

or

Select [Mean] in the Statistics menu, to open the following dialog:

Command-line and batch usage

mean filter

Example:

MyMean = mean

Log

The p = 0.001 thresholds (for positive and negative differences) obtained after each randomization are saved in a text file called (name_of_the_mean).log, e.g. MyMean.log. This is useful for studying the stability of the threshold.

References

Radua J and Mataix-Cols D. Voxel-wise meta-analysis of grey matter changes in obsessive-compulsive disorder. Br J Psychiatry 2009; 195:393-402 .

The authors | IoP King's College London | NeuroImageN