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Feeds
Question
degrees of freedom for random factors in anovan
"anovan" seems to give the same number of degrees of freedom to a factor whether it is declared as random or fixed. I though...
plus de 10 ans il y a | 1 réponse | 0
1
réponseHow to compare two proportions ?
Since I could not find a build-in function for my purpose I ended up writing this little function: http://www.mathworks.com/mat...
plus de 10 ans il y a | 0
| A accepté
A soumis
Compare two proportions (Chi-square)
A simple Chi-square test to compare two proportions.
plus de 10 ans il y a | 8 téléchargements |
Question
How to compare two proportions ?
I have a vector of x1=[0 1 1 0 1 0 ... 1 0 1] and a cell array of string x2={'Condition A' 'Condition A' 'Condition B'..... 'Con...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesFitting parameter to a dataset
i would fit the two portions of the curve separately since the parameters for both portions (c and d) are independent. there...
environ 11 ans il y a | 0
| A accepté
Question
anovan returns NaN p-values
hello, i have this mixed-model ANOVAn set up with 5 factors, including one random factor (subjects) nested in the between-sub...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
mnrfit : how to include interaction terms ?
Hello, I would like to compute a logistic regression on accuracy data (accuracy is 0 or 1). There are 3 predictors (X1, X...
plus de 11 ans il y a | 1 réponse | 0
1
réponseObtaining fundamental frequency wave from a PWM signal
it seems you want to do a Fourier transform of your signal. See http://www.mathworks.fr/fr/help/matlab/ref/fft.html once you ...
plus de 11 ans il y a | 0
| A accepté
subplot of already saved figures
Here is a small bit of code that does just that for two saved figures. The figures need to be saved in the .fig format with this...
plus de 11 ans il y a | 18
PSNR, NPCR, UACI and how to convert gray to RGB
hi, you may try have a look there : http://www.getreuer.info/tutorials/matlabimaging good luck :-)
plus de 11 ans il y a | 0
Question
how to use anovan for repeated measures and within subject factors ?
Hi, I would like to do a n-way ANOVA with two within subjects factors plus their interaction, but I don't understand how to g...
plus de 11 ans il y a | 1 réponse | 0
0
réponseClassification of many vectors of the same length
you could add one column/line at the beginning or end of each of the 6000 vectors you have that would take a value from 1 to 10 ...
presque 12 ans il y a | 0
Question
ttest : independent and dependent samples
hi sorry this is a statistics question as well as a Matlab question... i have two groups of data that i want to compare us...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Alternative to the Statistics toolbox
Hi I went from a place that owns a license for the Statistics toolbox to a place that does not (hello, budget cuts). Now all ...
presque 12 ans il y a | 2 réponses | 0
2
réponsesLegend in for loop
if you know mydistance, you can generate legend names in the for loop, than add a legend(legend_name(1), legend_name(2)....) aft...
environ 12 ans il y a | 0
Draw uninterrupted lines on a plot with missing values
Thanks, the "any(isnan(.." code works like a charm for :-)
environ 12 ans il y a | 0
Question
Draw uninterrupted lines on a plot with missing values
Hi I have data (Y) sorted into different columns and i want to plot it using Matlab. Each column represents one value of X an...
environ 12 ans il y a | 2 réponses | 1
2
réponsesQuestion
t-test weird degrees of freedom
Hi, I did some t-test (two-tailed) and keeps geting weird degrees of freedom. I have some pairs of vectors, all of size = ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
expected correlation / transitivity ?
hi, i have an "experimental correlation" between A and B (coefficient c1), and a "control correlation" between A and B' (coef...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
anova1 within groups degree of freedom ?
Hi, I am doing an ANOVA with anova1 : anova1(D,X) X is such that there are only two groups, but the number of observations is...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
How to make a function/script start over
Hello, How can I make a script/function start over (as if nothing had happened) if certain criteria are not met ? Thank yo...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
Creating a customized grid on a imagesc() figure
Hi, I have a matrix of values between -1 and 1, I look it up with imagesc(). I would like to trace a customized grid over ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Multicolinearity/Regression/PCA and choice of optimal model (2nd try)
Hi there I have a set of results and 4 "candidate" explanatory variables. Those variables are correlated beteween each other ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseGabor filter.
those are the parameters of the Gabor filter. see Wikipedia for the formula. but basically if you just want to display a Ga...
plus de 12 ans il y a | 0
EEG data
do you have EOG and/or EMG channels in your data ?
plus de 12 ans il y a | 0
| A accepté
Plotting results of three different data sets on same Plot
How about: load file1.mat data1=data; load file2.mat data2=data hold all plot(data1) plot(data2) d...
plus de 12 ans il y a | 1
| A accepté
Distribution uniformity assessment
Hi Xu Maybe you can use the Goodness of fit test against the uniform distribution see Exemple 3 here: http://www.mathwor...
plus de 12 ans il y a | 0
Question
comparing angles from two trajectories
Hello there, I am trying to compare the angles from two trajectories, (0,0) being at the center of the screen and the traject...
plus de 12 ans il y a | 1 réponse | 0
0
réponseLinearModel.stepwise Matlab R2011a
Hi cyclist :) Thank you ! that is exactly what i was looking for. Do you know if stepwisefit() automatically includes intera...
plus de 12 ans il y a | 0
Question
LinearModel.stepwise Matlab R2011a
Hi there I am trying to perform a stepwise regression. The code i tired is the following : mdl = LinearModel.stepwise(...
plus de 12 ans il y a | 2 réponses | 0
2
réponses
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