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A simple Chi-square test to compare two proportions.

14 downloads

2 years ago

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...

2 Answers

1

Asked 4 years ago

no i don't think this is autocorrelation : A is different from B, but Var(A)=0 if you plotted the vectors along each observatio...

3670 views

Responded 4 years ago

Hi, I would like to get the correlations between one vector B and another, constant, vector A. So the constant vector A is so ...

Posted 4 years ago

How about: load file1.mat data1=data; load file2.mat data2=data hold all plot(data1) plot(data2) d...

accepted

Answered 4 years ago

Hello, What is the answer to this old question ? As far as i am concerned, i really want the function/script to "start over" co...

3140 views

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...

0

Asked 2 years ago

Hello, How can I make a script/function start over (as if nothing had happened) if certain criteria are not met ? Thank yo...

Hi there I am trying to perform a stepwise regression. The code i tired is the following : mdl = LinearModel.stepwise(...

Hi, I want to compare the regression slopes of 3 data sets. Apparently you have to set some dummy variables =0/1 and regress...

"anovan" seems to give the same number of degrees of freedom to a factor whether it is declared as random or fixed. I though...

1 Answers

Hello, I would like to compute a logistic regression on accuracy data (accuracy is 0 or 1). There are 3 predictors (X1, X...

Asked 3 years ago

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...

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 ...

Hi, I did some t-test (two-tailed) and keeps geting weird degrees of freedom. I have some pairs of vectors, all of size = ...

hi, i have an "experimental correlation" between A and B (coefficient c1), and a "control correlation" between A and B' (coef...

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...

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 ...

Hi there I have a set of results and 4 "candidate" explanatory variables. Those variables are correlated beteween each other ...

Since I could not find a build-in function for my purpose I ended up writing this little function: http://www.mathworks.com/mat...

Answered 2 years ago

i would fit the two portions of the curve separately since the parameters for both portions (c and d) are independent. there...

Answered 3 years ago

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 ...

do you have EOG and/or EMG channels in your data ?

hello, i have this mixed-model ANOVAn set up with 5 factors, including one random factor (subjects) nested in the between-sub...

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...

hi, you may try have a look there : http://www.getreuer.info/tutorials/matlabimaging good luck :-)

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...

0 Answers

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 ...

if you know mydistance, you can generate legend names in the for loop, than add a legend(legend_name(1), legend_name(2)....) aft...

Thanks, the "any(isnan(.." code works like a charm for :-)

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