PPT-Multiple comparisons in M/EEG analysis

Gareth Barnes Wellcome Trust Centre for Neuroimaging University College London SPM MEEG Course London May 2015 By the end of this talk Understand what the multiple comparisons problem is. After studying the paper we realize that the paper correctly introduces the basic procedures and some of the most adv anced ones when comparing control method Ho w er it does not deal with some adv anced topics in depth Re arding these topics we foc Gareth Barnes. Wellcome. Trust Centre for Neuroimaging. University College London. SPM M/EEG Course. London, May . 2013. Format. What problem ?- multiple comparisons and post-hoc testing.. Some possible solutions. random). Where variances multiple comparisons were made each date dates were were heterogeneous; and methods'). Cochran's Test, ns: not F P Multiple comparisons: (Inner Edge 19.68 27.30 28.08 19 0.75 Comparing more than two means and figuring out which are different. Analysis of Variance (ANOVA). Despite the name, the procedures compares the means of two or more groups. Null hypothesis is that the group means are . Gareth Barnes. Wellcome. Trust Centre for Neuroimaging. University College London. SPM M/EEG Course. London, May . 2013. Format. What problem ?- multiple comparisons and post-hoc testing.. Some possible solutions. multiple comparisons test on the 2 foods depleted at particles within all 3 place during plankton into consistent with patterns, but Solemya velum Isochrysis galbana h-' (Tukey ple comparisons S. velu Comfort Ratings of 13 Fabric Types. A.V. . Cardello. , C. . Winterhalter. , and H.G. Schultz (2003). "Predicting the Handle and Comfort of Military Clothing Fabrics from Sensory and Instrumental Data: Development and Application of New Psychophysical Methods," Textile Research Journal, Vol. 73, pp. 221-237. . Chapter 16 Notes Part 1. The Unabomber. In 1978, a package was sent to a professor at Northwestern University.. It exploded when it was opened by a campus security officer. . The Unabomber. This started a series of bomb-containing packages sent to universities and airlines.. Measures of LD. Jess Paulus, ScD. January 29, 2013. . Today’s topics. Multiple comparisons. Measures of Linkage disequilibrium. D’ and r. 2. r. 2. and power. Multiple testing & significance thresholds. Comfort Ratings of 13 Fabric Types. A.V. . Cardello. , C. . Winterhalter. , and H.G. Schultz (2003). "Predicting the Handle and Comfort of Military Clothing Fabrics from Sensory and Instrumental Data: Development and Application of New Psychophysical Methods," Textile Research Journal, Vol. 73, pp. 221-237. . A PRIORI . OR PLANNED CONTRASTS. ANOVA. ANOVA is used to compare means. . However, if a difference is detected, and more than two means are being compared, . ANOVA cannot tell you . where the difference lies.. Making. . Comparisons. Regular . Comparisons. (. put. . this. in . your. notes). Format. . with. . adjectives. :. m. ás … que = more . than. . Mi amiga es . más. . bonita. . que. mi perro.. rejects a null true HType I a Type I error is made. In a single comparison this is the value When comparing 3 or more treatment means there are at least 2 kinds of This is the number of type I err It’s no secret that this world we live in can be pretty stressful sometimes. If you find yourself feeling out-of-sorts, pick up a book.According to a recent study, reading can significantly reduce stress levels. In as little as six minutes, you can reduce your stress levels by 68%.