已回答
Linear Regression with Only Dependent Variables
It sounds like you can get what you want from simply [rho, pval] = corr(matrixA(:,1),matrixB(:,1)) fitlm is for situations wit...

1 year 前 | 1

| 已接受

已回答
How to use chi2gof within CUPID
Yes, that is correct. The successive bin probabilities are the differences of the successive CDF values, and the expected numbe...

1 year 前 | 1

| 已接受

已回答
Goodness-of-Fit for a best-fitting distribution? (by using CUPID)
There are lots of different ways to evaluate the goodness of fit of a given theoretical distribution to a dataset (see, e.g., wi...

1 year 前 | 1

| 已接受

已回答
Fit a statistical distribution to truncated data
If you would like to fit a variety of truncated distributions in addition to the normal, you might find Cupid helpful. For inst...

1 year 前 | 2

| 已接受

已回答
Fit parameter to Weibull distribution
The problem is a bad choice of starting values. You will get much better parameter estimates with params = mle(A,'pdf',customp...

1 year 前 | 0

| 已接受

已回答
Using Psychtoolbox KbCheck() functions, how can I test for a renewed keypress?
One approach is to check timeSecs. This will be very small if the key is continuously held down from the previous trial, but pre...

1 year 前 | 0

| 已接受

已回答
How can I make heatmap scale fixed?
e.g., h1 = heatmap(); h1.ColorLimits = [0 1000];

1 year 前 | 0

| 已接受

已回答
Simple function for obtain a T statistic from sample mean, stdev & hypothetical mean
Here you go: t_observed = (sample_mean - hypothetical_mean) / sample_sd * sqrt(n); n is the number of scores averaged to get t...

1 year 前 | 0

已回答
creating standard error of mean for bar graphs in code, can you please correct/modify/help my code?
Hard to say for sure without knowing what the original data were, but that doesn't look right to me. Can you explain how the va...

1 year 前 | 0

| 已接受

已回答
Generating correlated data for simulation
One option is to create the second array by adding a random number to each element of the first array. For example sigma = 1; ...

1 year 前 | 0

已回答
I want to create a QQ & PP plot using L-Moments to fit the GEV but get this error: unable to perform assignment b/c the left & right sides have a different number of elements
Assign the problematic result to a new variable so that you can see what elements it has, like this: temp_var = psi + alpha*(1...

1 year 前 | 0

已回答
question on repeated measure GLM model
I don't fully understand the design so I won't attempt to answer questions 2) or 3), but I think this is the answer to 1): If '...

1 year 前 | 0

已回答
How to run the ANCOVA test with categorical covariate in matlab?
It doesn't really make sense to run ANCOVA with a categorical covariate. Instead, think of the categorical covariate as another...

1 year 前 | 0

已回答
How can I perform wilcoxon Test with paired samples and vectors of differente sizes?
The Wilcoxon test is for data that come in pairs, so the vectors must be the same size. If you are just missing one score or th...

1 year 前 | 0

已回答
Getting a percentile from a histogram
Usually this is done by linear interpolation within the relevant bin. To stick with your 95th percentile example, suppose you h...

1 year 前 | 0

| 已接受

已回答
A problem in the usage of multidimensional scaling (cmdscale)
You can't cancel that. With only the distance information in D, the mds function has no way of knowing what is up/down/left/rig...

1 year 前 | 1

| 已接受

已回答
How to integrate a lognormal pdf
It's hard to say for sure without seeing your xx and xxx values, but maybe it is just your expectations that are faulty? Certai...

1 year 前 | 0

已回答
Find number of factors for factor analyses
My $0.02 worth: I would suggest running facan with nBasis=8 and checking the resulting scree plot (plot of eigenvalue as a func...

1 year 前 | 0

| 已接受

已回答
linear mixed-effects model (fitlme) add array variable
I'm pretty sure the predictors have to be single values, so you can't feed in an array as a single unified predictor. You could...

1 year 前 | 0

已回答
Using pdf to find threshold
I'm not entirely sure what you mean by "threshold", but maybe you are trying to identify the middle 95% of the distribution? If...

1 year 前 | 0

| 已接受

已回答
Anova-n outputs as not full rank. Returns NaN P-value.
The short answer is that you have to collect more data to fix this. Look here: >> crosstab(gX1,gX2,gX3) ans(:,:,1) = 7 ...

2 years 前 | 0

| 已接受

已回答
problem with the anova calculation
Just change one line to this mdl = fitlm(tbl,'pick~C_t')

2 years 前 | 0

| 已接受

已回答
Can I find likelihood function of an objective function?
A lot depends on the details of these models, but one way to proceed would be in terms of the error scores. Consider the full mo...

2 years 前 | 1

已回答
ANOVA result No p-value.
The problem is that the full model has 90 parameters and predicts a separate mean for each of the 3*3*10 conditions. But you onl...

2 years 前 | 0

| 已接受

已回答
I am having trouble with errors in the array used for anova analysis
Looks like g1 should be a numerical vector, not a cell array (i.e., square brackets instead of curly brackets). e.g., g1 = [1,2...

2 years 前 | 0

| 已接受

已回答
How to fit lognormal distribution on my data
If the scores are in vector1 and the counts are in vector 2, you could fit like this by the method of moments (should be OK with...

2 years 前 | 0

| 已接受

已回答
How do I display Tiled Layouts properly?
I haven't used tiled layouts yet so this may be way off-base, but something like the following has solved similar scaling proble...

2 years 前 | 0

已回答
How do I calculate the signal to noise ratio of a signal without knowing the noise of the signal?
I'm not sure whether this fits your situation, but one way to estimate the noise is to subtract the average of the epochs from e...

2 years 前 | 1

| 已接受

已回答
Poisson PMF using MATLAB
This might get you started... k = 0:17; pmf = poisspdf(k,4); figure; plot(k,pmf,'o-')

2 years 前 | 0

| 已接受

已回答
May I ask how I can find 95% confidence interval of skew_FP() from these codes?
LBUB = prctile(skew_FP(),[2.5,97.5]);

2 years 前 | 0

| 已接受

加载更多