Answered

Can one get fitted value without going to predict?

From your reference to 'predict', I'm guessing you have a vector of observed x values and you want to compute the predicted y fo...

Can one get fitted value without going to predict?

From your reference to 'predict', I'm guessing you have a vector of observed x values and you want to compute the predicted y fo...

3 maanden ago | 0

| accepted

Answered

Optimization of multiple variables without any toolbox

If I understand the question, your basic approach seems OK but your code isn't structured quite right. I think this is closer t...

Optimization of multiple variables without any toolbox

If I understand the question, your basic approach seems OK but your code isn't structured quite right. I think this is closer t...

3 maanden ago | 1

| accepted

Answered

correlation of nonlinear variables

It isn't really clear what you mean by "correlation coefficients for nonlinear variables", because an infinite number of nonline...

correlation of nonlinear variables

It isn't really clear what you mean by "correlation coefficients for nonlinear variables", because an infinite number of nonline...

3 maanden ago | 0

Answered

Generating and storing lists of variable lengths?

There isn't really a good solution to this type of problem with "flat file" databases, but relational databases handle it very g...

Generating and storing lists of variable lengths?

There isn't really a good solution to this type of problem with "flat file" databases, but relational databases handle it very g...

3 maanden ago | 1

| accepted

Answered

How to linearize the nested parfor loop?

One approach is to set out all the desired pairs in advance. A crude way to do that is pairs = zeros(0,2); n = 3; for i = 1:...

How to linearize the nested parfor loop?

One approach is to set out all the desired pairs in advance. A crude way to do that is pairs = zeros(0,2); n = 3; for i = 1:...

3 maanden ago | 0

| accepted

Answered

Subsets of uncorrelated features

N = 5; R = rand(N); % We will ignore the lower triangular part of this array rCutoff = 0.4; % Make a cell array that holds...

Subsets of uncorrelated features

N = 5; R = rand(N); % We will ignore the lower triangular part of this array rCutoff = 0.4; % Make a cell array that holds...

3 maanden ago | 1

| accepted

Answered

chi2gof reports different observed values than reported

The O values printed by chi2gof are counts of the number of observations in each bin, defined by the bin edges. In this case ch...

chi2gof reports different observed values than reported

The O values printed by chi2gof are counts of the number of observations in each bin, defined by the bin edges. In this case ch...

3 maanden ago | 0

Answered

How to save multiple .mat files as one .mat file?

You can load all 24 .mat files for a single day and then save all of the collected variables together as one .mat file. For exa...

How to save multiple .mat files as one .mat file?

You can load all 24 .mat files for a single day and then save all of the collected variables together as one .mat file. For exa...

4 maanden ago | 0

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Answered

Make name in for loop and read table

I guess you have tables called ScanRec1, ScanRec2, ...? If so, you can do almost what you want by making each table a field wit...

Make name in for loop and read table

I guess you have tables called ScanRec1, ScanRec2, ...? If so, you can do almost what you want by making each table a field wit...

4 maanden ago | 0

Answered

How to reference a variable in a promt to the user, where the variable will change based on the input csv file

how about: fprintf('Would you like to plot %s ? (y/n)', vnames{d-1})

How to reference a variable in a promt to the user, where the variable will change based on the input csv file

how about: fprintf('Would you like to plot %s ? (y/n)', vnames{d-1})

4 maanden ago | 0

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...

4 maanden 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...

4 maanden 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.

5 maanden 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 ...

5 maanden 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...

5 maanden 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...

5 maanden 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; %...

5 maanden 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')

5 maanden 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...

5 maanden 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...

5 maanden 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 ...

6 maanden 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...

6 maanden ago | 2

| 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

6 maanden 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., ...

6 maanden 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...

6 maanden 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...

6 maanden 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]...

6 maanden 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...

6 maanden 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...

6 maanden 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...

6 maanden ago | 1

| accepted