Answered

Problems using `fitdist` to Rician distribution

I'm not sure why you are getting that error message, but Rician(6.5538e-05,0.11714) looks quite good: In case you are curious...

Problems using `fitdist` to Rician distribution

I'm not sure why you are getting that error message, but Rician(6.5538e-05,0.11714) looks quite good: In case you are curious...

6 days ago | 0

Answered

OOP: Reference (subclass) enumeration names from static superclass method. Possible?

If doWork really just needs the names, maybe pass allnames as an argument of doWork, something like this: function resu...

OOP: Reference (subclass) enumeration names from static superclass method. Possible?

If doWork really just needs the names, maybe pass allnames as an argument of doWork, something like this: function resu...

7 days ago | 2

Answered

Two-Way repeated Measures Anova: Pairwise comparison of multiple factor levels using Multcompar

Go back to the original data and compute the means for each group of interest, so you can compare which group mean is higher.

Two-Way repeated Measures Anova: Pairwise comparison of multiple factor levels using Multcompar

Go back to the original data and compute the means for each group of interest, so you can compare which group mean is higher.

11 days ago | 0

Answered

Fitting Gaussian keeping max amplitude same

One option is to fit a smoothed curve and then multiply the (smoothed, predicted) height by whatever constant is needed to make ...

Fitting Gaussian keeping max amplitude same

One option is to fit a smoothed curve and then multiply the (smoothed, predicted) height by whatever constant is needed to make ...

12 days ago | 1

Answered

Develop uncertainty estimates using Monte-Carlo simulation, bootstrap-resampling

You seem to be asking how to select a random subset of the years for each iteration of the simulation. If that is right, then y...

Develop uncertainty estimates using Monte-Carlo simulation, bootstrap-resampling

You seem to be asking how to select a random subset of the years for each iteration of the simulation. If that is right, then y...

14 days ago | 0

| accepted

Answered

How to interpret Repeated Measures Anova Example Table

(Intercept):Measurements is the "main effect" of measurement type--a factor with 4 levels in this example (i.e. length and width...

How to interpret Repeated Measures Anova Example Table

(Intercept):Measurements is the "main effect" of measurement type--a factor with 4 levels in this example (i.e. length and width...

14 days ago | 1

| accepted

Answered

PDF and CDF of rician distribution simulation source

OK, here's a more complete answer: pd = makedist('Rician','s',0,'sigma',2); % Change to your required parameters N = 1000; %...

PDF and CDF of rician distribution simulation source

OK, here's a more complete answer: pd = makedist('Rician','s',0,'sigma',2); % Change to your required parameters N = 1000; %...

16 days ago | 0

Answered

PDF and CDF of rician distribution simulation source

Why can't you use this: pd = makedist('Rician')

PDF and CDF of rician distribution simulation source

Why can't you use this: pd = makedist('Rician')

19 days ago | 0

Answered

how to refer variable from string name

This is pretty clumsy, but I think something like this will do what you want: varnames = {'m1_n', 'm3_n'}; % names of the vari...

how to refer variable from string name

This is pretty clumsy, but I think something like this will do what you want: varnames = {'m1_n', 'm3_n'}; % names of the vari...

27 days ago | 0

| accepted

Answered

generating correlated random variables

Generate C1-C6 separately (independently) from whatever lognormal you want. Then generate C7-C8 as a pair with the desired corr...

generating correlated random variables

Generate C1-C6 separately (independently) from whatever lognormal you want. Then generate C7-C8 as a pair with the desired corr...

1 month ago | 0

| accepted

Answered

Stop signal task - pre error speeding

I think it would be cleanest to start by making a vector to indicate which trials precede unsuccessful stops, which can be done ...

Stop signal task - pre error speeding

I think it would be cleanest to start by making a vector to indicate which trials precede unsuccessful stops, which can be done ...

1 month ago | 0

| accepted

Answered

How to make Anova table for data from a factorial experiment

x = readtable('mack_data.txt'); x.Properties.VariableNames = {'o1','o2','o3','o4','o5','m1','m2','m3','m4','m5'}; withinDesign...

How to make Anova table for data from a factorial experiment

x = readtable('mack_data.txt'); x.Properties.VariableNames = {'o1','o2','o3','o4','o5','m1','m2','m3','m4','m5'}; withinDesign...

2 months ago | 1

| accepted

Answered

How to create a cumulative frequency array

This is inelegant, but it works: cumFreq = zeros(size(V)); for i=1:numel(V) cumFreq(i) = sum(Z<V(i)); end

How to create a cumulative frequency array

This is inelegant, but it works: cumFreq = zeros(size(V)); for i=1:numel(V) cumFreq(i) = sum(Z<V(i)); end

2 months ago | 1

| accepted

Answered

Define a density function and draw N samples of it

I don't think that density function is right--seems like you at least need to include the mixture probabilities in there--e.g., ...

Define a density function and draw N samples of it

I don't think that density function is right--seems like you at least need to include the mixture probabilities in there--e.g., ...

2 months ago | 0

Answered

Function to create struct with parameters

Maybe you would like something like this? month = 1; year = 1951; day = 11; inp = CreateStruct(month,day,year) function o...

Function to create struct with parameters

Maybe you would like something like this? month = 1; year = 1951; day = 11; inp = CreateStruct(month,day,year) function o...

2 months ago | 0

| accepted

Answered

How do I declare correlation between a random variable with beta distribution and a random variable with normal distribution?

Something like this would work, though you would have to adjust rho by trial and error to get the final corr(x1,x2) value that y...

How do I declare correlation between a random variable with beta distribution and a random variable with normal distribution?

Something like this would work, though you would have to adjust rho by trial and error to get the final corr(x1,x2) value that y...

2 months ago | 0

| accepted

Answered

Extract columns into new variables efficently

A= [1 1 2 2 3 3 1 1 2 2 3 3; 1 1 2 2 3 3 1 1 2 2 3 3]; B = [10 20 30 40 50 60 70 80 90 100 110 120; 1 2 3 4 5 6 7 8 9 10 11 12]...

Extract columns into new variables efficently

A= [1 1 2 2 3 3 1 1 2 2 3 3; 1 1 2 2 3 3 1 1 2 2 3 3]; B = [10 20 30 40 50 60 70 80 90 100 110 120; 1 2 3 4 5 6 7 8 9 10 11 12]...

2 months ago | 0

| accepted

Answered

Random numbers with specific sum and varying maximum

How about first picking the maximum "thismax" randomly from whatever distribution you want, and then using randfixedsum to gener...

Random numbers with specific sum and varying maximum

How about first picking the maximum "thismax" randomly from whatever distribution you want, and then using randfixedsum to gener...

2 months ago | 0

Answered

Using ranova and multcompare, ranova doen't show significance (p=0.33) but multcompare shows significance between groups (p<0.001)

Note that your anova table doesn't have enough lines--there is no main effect of IndVar, just the IndVar*Time interaction (p=0.3...

Using ranova and multcompare, ranova doen't show significance (p=0.33) but multcompare shows significance between groups (p<0.001)

Note that your anova table doesn't have enough lines--there is no main effect of IndVar, just the IndVar*Time interaction (p=0.3...

2 months ago | 0

| accepted

Answered

How may I show a mixture distribution?

Here is an example of plotting a mixture that produces a graph similar to yours example: pd1 = makedist('normal',1,1); % proba...

How may I show a mixture distribution?

Here is an example of plotting a mixture that produces a graph similar to yours example: pd1 = makedist('normal',1,1); % proba...

2 months ago | 1

| accepted

Answered

How to design a Class to apply operations for a collection of data?

This is perhaps a bit subjective, but personally I would strongly prefer the solution with classes that process only a single au...

How to design a Class to apply operations for a collection of data?

This is perhaps a bit subjective, but personally I would strongly prefer the solution with classes that process only a single au...

2 months ago | 0

| accepted

Answered

histogram normalization not working

The histogram is not wrong, because pdf values can be more than 1. pdf values are normalized such that the total area under the...

histogram normalization not working

The histogram is not wrong, because pdf values can be more than 1. pdf values are normalized such that the total area under the...

2 months ago | 0

Answered

Equal Bin Sizes in Histogram Probability Distribution Function (PDF)

The histogram function has a parameter 'BinEdges' that will allow you to specify any bins you like. So, make whatever bin edges...

Equal Bin Sizes in Histogram Probability Distribution Function (PDF)

The histogram function has a parameter 'BinEdges' that will allow you to specify any bins you like. So, make whatever bin edges...

2 months ago | 1

Answered

Minimization of Chi-Square Statistic using the Simplex Algorithm

One way to proceed is to write a function which accepts a vector of values for your three parameters, and returns the chi-square...

Minimization of Chi-Square Statistic using the Simplex Algorithm

One way to proceed is to write a function which accepts a vector of values for your three parameters, and returns the chi-square...

2 months ago | 0

Answered

How to generate correlated samples from a single distribution? Each sample should be correlated with the previous.

If you don't like the sorting solution, then I think you must consider the joint and conditional distribution of two successive ...

How to generate correlated samples from a single distribution? Each sample should be correlated with the previous.

If you don't like the sorting solution, then I think you must consider the joint and conditional distribution of two successive ...

3 months ago | 0

| accepted

Answered

Inverse Cumulative distribution function

Suppose you have a function called thisCDF which computes the CDF for your distribution. Then define function x = inverseF(p) ...

Inverse Cumulative distribution function

Suppose you have a function called thisCDF which computes the CDF for your distribution. Then define function x = inverseF(p) ...

3 months ago | 0

| accepted

Answered

How to generate correlated samples from a single distribution? Each sample should be correlated with the previous.

If you don't care about the order of the data points, one option that seems to fulfill your stated requirements is the following...

How to generate correlated samples from a single distribution? Each sample should be correlated with the previous.

If you don't care about the order of the data points, one option that seems to fulfill your stated requirements is the following...

3 months ago | 0

Answered

I want this for loop to dispaly the smallest calculated value of PE. What would be the best way of going about this?

% something like this: minPE = realmax; for t1 = 0:1:90,t2 = 0:1:90; t1; t2; h1 = -b1*cosd(t1); ...

I want this for loop to dispaly the smallest calculated value of PE. What would be the best way of going about this?

% something like this: minPE = realmax; for t1 = 0:1:90,t2 = 0:1:90; t1; t2; h1 = -b1*cosd(t1); ...

3 months ago | 0

Answered

Normally distributed Random numbers generator issue

As the other posters have said, you aren't necessarily going to get an exactly normal-looking distribution if you generate the n...

Normally distributed Random numbers generator issue

As the other posters have said, you aren't necessarily going to get an exactly normal-looking distribution if you generate the n...

3 months ago | 0

Answered

Repeated-Measures ANOVA across several conditions rather than timepoints

fitrm wants all the data for a single subject to be on a single row of the data table. In your case, that would mean a table ne...

Repeated-Measures ANOVA across several conditions rather than timepoints

fitrm wants all the data for a single subject to be on a single row of the data table. In your case, that would mean a table ne...

3 months ago | 0

| accepted