Jeff Miller

Last seen: Today | Active since 2013

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Problem when using fitrm() function for ANOVA and getting an incomplete output
I can't check it at the moment, but I think maybe your last line should be ranovatbl = ranova(rm,'WithinModel','Phases')

7 dagar ago | 0

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Comparing Means from Probability Distributions using aoctool and multcompare
Maybe I am missing something but from your description it sounds like you could compare the mean log(x) values of the different ...

26 dagar ago | 0

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How to find Sigma Matrix for Bivariate Distribution Given Data
You can't really use normfit to estimate sigma in the manner you are doing it, especially because x1 & x2 have such different nu...

ungefär en månad ago | 0

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fprintf's at beginning and end of a function called witihin parfor loop
Thanks Walter, that works perfectly. For anyone else interested, here's the revised version of the original code that works as ...

ungefär 2 månader ago | 1

Question

fprintf's at beginning and end of a function called witihin parfor loop
I am trying to write logging-type information to the command window from inside a function that is called within a parfor loop. ...

ungefär 2 månader ago | 2 answers | 0

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How do I loop a command for different variable names?
Another alternative is to make a function that does all of the necessary operations on each vector, and then call that function ...

ungefär 2 månader ago | 0

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How to add random Noise between 2% in the dataset
Do you mean that you want to multiply each value in the dataset by a random number between 1.005 and 1.02, with all random numbe...

ungefär 2 månader ago | 0

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Control for Confounding Variables in a Linear Regression Model
Suppose you have a variable X that you would like to predict from a set of predictors P and you want to control for some other v...

2 månader ago | 0

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how does fitglm treat categorical variables?
I don't that is correct. WIth numerical values in the table, I think you have to mark the variables as categorical with somethi...

2 månader ago | 0

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how to plot shorter dataset using 'hold on'
Is this what you need? desired_range = 1:200; % here, select the array positions you want to plot plot(T5half(desired_range),...

3 månader ago | 0

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How to generate a vector of numbers picked from two groups with the condition that there cannot be more than 2 consecutive numbers from the same group?
If I understand what you are asking, this should be close to what you want: vecLength = 20; % how many numbers you want to gen...

3 månader ago | 0

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How to fit multiple distribution on a histogram without normalizing the histogram?
Probably simplest just to plot everything and then use ylim to reset the Y axis limits at the end to whatever you want, somethin...

3 månader ago | 0

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Question

How can I make more efficient use of parallel workers?
My code performs 30 iterations of a task via parfor, with 6 workers in the parallel pool. Each iteration writes files when it s...

3 månader ago | 1 answer | 0

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Given a null distribution, how can I calculate a p-value for my test statistic?
The one-tailed p value is just the tail probability of your original unshuffled difference relative to the null distribution tha...

3 månader ago | 0

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How to turn a function handle with 3 inputs (1 variable and 2 parameters) and then assign the inputs parameters and get a function handle with one input? ?
Not sure I understand the situation, but this sounds to me like a case where an OO approach could be very helpful. Consider: cl...

4 månader ago | 0

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Repeated measures ANOVA Matlab (Statistic)
% Note the transpose operator: single-column vectors are more convenient. A = [10 11 13 16 15 18 17 16 11 12]'; B = [20 22 21 ...

4 månader ago | 0

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How to fit an uniform distribution to a histogram?
histogram(data, numBars); avgHeight = numel(data)/numBars; hold on; plot([min(data), max(data)],[avgHeight, avgHeight])

4 månader ago | 1

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Spearman correlation fails in ranking strings
The first two inputs to the corr command have to be the numerical values that are to be correlated, so you will want something l...

4 månader ago | 1

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Answered
I want to compute mean median and mode for the distribution from its c.d.f.
The median is the value at p=0.50, which you already seem to have in your table. You can't really compute the mean and mode fr...

4 månader ago | 0

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How to calculate StdErr for intercepts and slopes in a multivariate ANCOVA (function ANOVAN() with continuous independent variable)?
If you set up dummy variables to code your categorical independent variables, you can then do analysis of covariance with fitlm....

4 månader ago | 2

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Is it appropriate to use ranksum to compare statistical means for time series data?
The ranksum test ignores the sequential order of scores, so for example ranksum(x,y) will give you the same answer no matter how...

5 månader ago | 0

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pca with more than one grouping variable
gscatter will accept multiple grouping variables, in your case organism & dead/alive. There is an example in the gscatter docu...

5 månader ago | 0

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Distribute a sum using binomial distribution
If I understand correctly, it is fine to use binornd with n = row total. It sounds like that is what was done in the paper. j...

5 månader ago | 0

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Why is fitlm affected by variable scale?
Your understanding is correct for linear regression but your model is nonlinear because of the interaction terms. Consider: zX ...

6 månader ago | 0

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understanding Linear regression model equation after simplifying.
I think the notation y~ 1+ x1*x2 is shorthand for y~ 1*b0+ b1*x1 + b2*x2 + b3*x1*x2. The four b values are the four estimates...

6 månader ago | 0

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Is there a way to normalizing a probability density function / keep the density values between 0 and 1?
Dividing by the max density value would have the unfortunate ramification that the resulting function would no longer be a densi...

6 månader ago | 0

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Answered
plot of log likelihood values
I think this might be what you are after: x = [2 4 3 1 6 2 2.5 7 10]; % data ShapeCandidates = 1:10; Scale = 6; loglik...

6 månader ago | 0

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How can I see specific likelihood values with MLE (or possibly another function?)
Once you have the parameter estimates (e.g., from mle) you can compute the likelihood value by calling your custom density funct...

6 månader ago | 0

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Facing an error while using 'anovan' function
anovan needs the original data (y1 and y2) to compute an error term, but you are only giving it the averages (ybar). This is why...

6 månader ago | 0

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Answered
Generating random variable from inverse gaussian dist.
Do you really need to write the random generator yourself? This one is already available: >> pd = makedist('inversegaussian') ...

7 månader ago | 0