Community Profile # Jeff Miller

Last seen: Today Active since 2013

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how do I input a one-way anova function?
scores = []; % list the 37 scores inside the brackets, all of group 1 first, then group 2, etc group = {'a' 'a' 'a' } % list ...

alrededor de 15 horas ago | 0

Question

Within a script, can I close or redirect a Windows File Explorer window opened with 'winopen'?
I have a script that processes iteratively through a number of directories, spending a few hours per directory. It would be very...

10 días ago | 2 answers | 0

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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')

19 días ago | 0

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 ...

alrededor de 1 mes ago | 0

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...

alrededor de 2 meses 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 ...

2 meses 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. ...

2 meses 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 ...

2 meses ago | 0

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...

2 meses ago | 0

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...

3 meses 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...

3 meses 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 meses 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 meses ago | 0

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...

4 meses 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...

4 meses 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...

4 meses ago | 0

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 meses ago | 0

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 meses 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])

5 meses ago | 1

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...

5 meses ago | 1

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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...

5 meses ago | 0

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....

5 meses 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 meses ago | 0

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 meses 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...

6 meses ago | 0

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 meses ago | 0

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 meses 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 meses ago | 0

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