# Jeff Miller

**Statistics**

RANK**88**

of 265,149

REPUTATION**1,506**

CONTRIBUTIONS

**18** Questions

**601** Answers

ANSWER ACCEPTANCE **
83.33%
**

VOTES RECEIVED**171**

RANK**5,736** of 18,112

REPUTATION**185**

AVERAGE RATING**4.70**

CONTRIBUTIONS**8** Files

DOWNLOADS **14**

ALL TIME DOWNLOADS**1713**

RANK

of 116,246

CONTRIBUTIONS

**0** Problems

**0** Solutions

SCORE**0**

NUMBER OF BADGES**0**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Content Feed**

ttest2 doubt in the results between 2 different groups

The implication of the t-test result is that the difference (even though it looks big to you) could well have arisen by chance e...

22 hours ago | 0

Alternative to Eval for small number of variables

Put your workspace variables in a struct and then use var_names to access the fields of that struct, something like this: wrkst...

3 days ago | 0

if I set model as 'linear' in 'anovan', is 'anovan' equivalent to applying respectively 'anova1' to the factors?

no, those are not equivalent, as you should be able to verify by applying them both to the same dataset. With its default 'linea...

12 days ago | 0

Plot a cumulative distribution with a symmetric logarithmic scale centred at 50%

Not sure if I really understand what you want but maybe something like this: z_app = norminv(cdf_app); % find the normal Z sco...

12 days ago | 1

| accepted

Error when using: parmHat = wblfit(x)

The problem is that your x vector has some nan's in it, and wblfit can't handle those. Try y = x(~isnan(x)); parmHat = wblfit...

20 days ago | 0

How do we modify the tails of norrmal/any kind of distribution by keeping other portion is same?

As Paul says, the details are important because there are infinitely many ways to do what you are asking. One way to think abou...

21 days ago | 2

How to avoid duplicating code in the constructor and a reset method of a class with class inheritance.

This is presumably an issue only because you sometimes create objects of the type MySuperClass--not just descendant MyClass obje...

21 days ago | 0

Estimate ksdensity values for large number of data points, e.g. 100000 values

It is a common mistake to think that PDF values should be less than 1. Actually, PDFs are defined in such a way that the area un...

22 days ago | 1

| accepted

Generation of large data sets (10^4) for log Pearson type III distribution and finding its paramters

If the distribution you have in mind is the same one described here then this is a good problem for Cupid (see especially the fi...

22 days ago | 0

| accepted

Fundamental proof of signal averaging noise reduction

Your code doesn't really measure noise reduction in the right way. Noise reduction refers to variability across many repeated m...

28 days ago | 0

| accepted

How to compute the slop of bootstrap population with its confidence interval?

It sounds like this is what you are after, although I'm not sure why you want to do it: m = bootstrp(100,@mySlope,A); LowerCI ...

1 month ago | 0

Conditional fixed effects for glme

I think this is the key sentence from the example page: "Specify the dummy variable encoding as 'effects', so the dummy variable...

2 months ago | 0

Each PARFOR Worker Writes to the Same File

Maybe have each worker write to its own output file and then assemble those after? This answer shows how to get the id for each...

2 months ago | 0

Fitting bimodal wind data using Weibull mixture in matlab

Your sample graph is not a probability distribution, Weibull or otherwise. For a probability distribution, the vertical axis al...

2 months ago | 0

Question

immediate refresh function for cd?

When I run this code in a script: cd(my_folder_name) % what goes here? pause(15) the current folder window doesn't update un...

2 months ago | 0 answers | 2

### 0

answersStatistical distribution comparison for two datasets

You could use manova if you just wanted to compare the centroids of the multivariate distributions, but it sounds like you want ...

2 months ago | 0

| accepted

How to robustly set class object properties in the class constructor when using name-value approach without handling them one-by-one?

One option might be something like this: % How to make... fnames = fieldnames(namedArgs); for ifield=1:length(fnames) s ...

2 months ago | 1

| accepted

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...

3 months ago | 1

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...

3 months ago | 0

| accepted

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...

3 months ago | 0

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...

3 months ago | 0

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...

3 months ago | 0

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...

3 months ago | 0

| accepted

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...

3 months ago | 0

| accepted

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...

4 months ago | 1

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 ...

4 months 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...

4 months ago | 2 answers | 0

### 2

answersProblem 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')

5 months 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 ...

5 months 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...

6 months ago | 0

| accepted