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Jeff Miller


Last seen: 1 day ago Active since 2013

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Answered
How can i use a "list of variablennames" to calculate something?
One convenient option if you really want to do something like this is to use a structure to hold all of the variables that you w...

5 days ago | 1

Answered
how to delete outliers data for 15 person Separately?
I think I see the issue now. Maybe this is better: DATA1=[]; SUBJECT = []; for i = 1:15 data1 = load(strcat(strcat('park...

5 days ago | 0

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Answered
How do I Plot a Regression Line (not simple regression) on gscatter?
Something like this should work, after your gscatter: lowX = 0; % set low & hi X to span the x-axis range that you want the l...

7 days ago | 0

Answered
What is the orthodox precedure of evaluating/determining the type of a distribution? And How to fit it into a normal distribution with skewness and kurtosis?
Unfortunately, trial-and-error with fitting different distributions is the only way to find out what distribution provides the b...

8 days ago | 0

Answered
How to replace the missing value using the correlation between x and y?
Omar, if I understand what you are trying to do, I would suggest: Form a reduced dataset where you drop all rows with NANs. Th...

10 days ago | 0

Answered
How to find the row wise p values corresponding to each coefficient of linear regression?
For Type I (i.e., sequential), you have to fit a series of three models, and you need to compute the improvement of each model o...

12 days ago | 0

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Answered
Generate all possible group scores based on combinations of individuals
Morgan, my point was that "all possible ways" is just too many in this case. By my calculations, if your computer could process...

14 days ago | 0

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Answered
Parameter estimation of a mixture of a Normal and a Uniform distribution
Not sure how to modify your code, but you can do the estimation with Cupid like this: % Parameters stipulated to be known: Kno...

16 days ago | 1

Answered
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 ...

1 month 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...

1 month ago | 2 answers | 0

2

answers

Answered
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')

2 months ago | 0

Answered
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 ...

2 months ago | 0

Answered
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...

3 months ago | 0

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Answered
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 ...

3 months 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. ...

3 months ago | 2 answers | 0

2

answers

Answered
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 ...

3 months ago | 0

Answered
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...

3 months ago | 0

Answered
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...

4 months ago | 0

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Answered
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...

4 months ago | 0

| accepted

Answered
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),...

4 months ago | 0

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Answered
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...

4 months ago | 0

Answered
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...

5 months 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...

5 months ago | 1 answer | 0

1

answer

Answered
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...

5 months ago | 0

Answered
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...

5 months ago | 0

Answered
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 ...

6 months ago | 0

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Answered
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])

6 months ago | 1

Answered
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...

6 months 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...

6 months ago | 0

Answered
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....

6 months ago | 2

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