Levene's test is a statistical test used to assess whether the variance differs across a number of populations, based on samples from these populations (http://en.wikipedia.org/wiki/Levene%27s_test). This test is sometimes used to justify the assumption of homogeneity of variance when using ANOVA or ...
I am doing Levene's mean test and Levene's median test (Brown-Forsythe). I want to compare the p-values of these two tests to see which is better. I get large p-values for both tests which are 0.562 ...
I'm an undergraduate psychology student currently finishing up my dissertation, but a few days ago, while going through my SPSS output, I realized my Levene's test is significant, but my data is ...
The experiment consisted of this : 31 devices of type $A$ 26 devices of type $B$ All the 57 devices were side by side in order to measure the level of ambiant radiation. So, I have the doses for ...
Possible Duplicate: How should I transform non-negative data including zeros? I want to log-transform some of my data because the Levene's homogeneity of variances test rejected the null ...
I'm a newbie to statistics and R and I have a trouble with using Levene function (I would like to check the equality of variance of two samples). The documentation says that I should run: ...
I have run Levene's and Bartlett's test on groups of data from one of my experiments to validate that I am not violating ANOVA's assumption of homogeneity of variances. I'd like to check with you guys ...