Sara Blocquiaux

5 Questions 10 Answers 0 Followers

Questions related from Sara Blocquiaux

Reliability of Feret diameter: minimum number of fibers needed per fiber type?

Dear all, I am measuring human muscle cross-sections from the vast lateralis. I found that at least 100 fibers are needed to reliably estimate fiber size (Variability in muscle fibre areas in...

12 November 2019 7,246 0 View

GEE, mixed models and repeated measures ANOVA result in different statistical significance: which one to use?

Hi, I have strength data in young and older individuals before and after 12 weeks of training. In the young group there are only 5 subjects, in the older group there are 30 subjects. I wanted to...

25 October 2018 5,618 6 View

Can Welch ANOVA be used if variances are not significantly different between groups?

Hi, I noticed that when I did a classic one-way-ANOVA on strength gain between two groups, that the classic one-way-ANOVA was not significant (p=0.096). Welch ANOVA on the other hand displays a...

25 October 2018 8,383 20 View

How to compare percentage change between groups over multiple time points ?

I am conducting a longitudinal study where three groups are measured over 4 different time points (T1, T2, T3 and T4). I am mainly interested in what happens within groups. But to see if the...

10 August 2018 6,849 6 View

DNA methylation data: SNP filtering - How stringent should we be?

I have DNA methylation data from the Illumina EPIC beadchip (information on 850 000 CpG site). Since SNPs can influence the methylation results, it is advised to filter CpG sites located close to...

21 March 2018 3,368 3 View