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Simon


Sherbrooke

Active since 2013

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Answered
Problem with xlswrite function
Update: Problem is solved by adding the right path On help they say you need to put the filename but it really is the full pa...

casi 9 años ago | 0

| accepted

Question


Problem with xlswrite function
Hi guys, I've been trying this for a while now and it always returns the same error message over and over again : Error using xl...

casi 9 años ago | 1 answer | 0

1

answer

Answered
Nchoosek with columns in a Dataset ?
Found it thank you! I did : % for i= 1:24 A{1,i} = x(:,i); end B = nchoosek(A,4) end

casi 9 años ago | 0

| accepted

Question


Nchoosek with columns in a Dataset ?
Is it possible to do a nchoosek function with all columns in a dataset? After a Data import I have all my variables in columns a...

casi 9 años ago | 1 answer | 0

1

answer

Answered
Importing data from Excel to Matlab problem
OK it seems to work, but the result is not really what I expected. When I do : % Exemple = xlsread('filename','Databas...

casi 9 años ago | 0

Question


Importing data from Excel to Matlab problem
Hi guys, I'm having a problem important datas from Excel. I used to import ranges because I found it easier, but now I need to g...

casi 9 años ago | 3 answers | 0

3

answers

Answered
Easy question for an economist
Bump

casi 9 años ago | 0

Question


Easy question for an economist
Is there a way to compute multiple linear regression (the script already is working fine) but i need to be able to say something...

casi 9 años ago | 2 answers | 0

2

answers

Question


Problem with detection of multicolinearity in a matrix
Well, title says it all. The problem is that i would like to find whether my independent variables are really independents. I on...

casi 9 años ago | 1 answer | 0

1

answer

Answered
Is there a way to detect the autocorrelation in a loop?
Bump

casi 9 años ago | 0

| accepted

Question


Is there a way to detect the autocorrelation in a loop?
I'm going to perform a little more than 19,000,000 regressions in a loop (and grow a beard), but i need to now if I can detect t...

casi 9 años ago | 1 answer | 0

1

answer

Answered
Multivariate regression in a loop
f

casi 9 años ago | 0

| accepted

Question


How to export datas from Matlab to a specified cell in Excel ^^
I got no idea

casi 9 años ago | 1 answer | 0

1

answer

Question


NCHOOSEK - What am I doing wrong?
V = nchoosek({CRY,DXY,GOLDS,USCRWTIC,USGG2YR,USGG10YR},4); for i= 1:15; A{i} = V(i,:); end; ...

casi 9 años ago | 5 answers | 0

5

answers

Answered
Problem with Max function in a if loop
In my 'answer' matrix, row (1,:)is all [] or 1 whether the rsquared is higher than 0,5 or not. The second row (2,:) is the Rsqua...

casi 9 años ago | 0

Answered
Problem with Max function in a if loop
Ok thx guys. I will try to correct my code tommorrow at the office. Thank you very much. If any of you knows some trick to write...

casi 9 años ago | 0

Question


Problem with Max function in a if loop
So, basically my max function at the end gives me a random number and does not apply my if and else if constraint :/ ...

casi 9 años ago | 3 answers | 0

3

answers

Question


Is it possible to do multiple linear regression with constaint?
Hi, i'm trying to delete coefficients if they fail the t-test and if the Rsquared is 0,5. The only problem is that i don't know ...

casi 9 años ago | 1 answer | 0

1

answer

Question


Bug using LinearModel.fit in a loop?
Everytime i try using my datas and LinearModel.fit it works perfectly, but when i try to use it in a loop i always end up having...

casi 9 años ago | 2 answers | 0

2

answers

Question


How to name a Variable as a string?
Hi, my problem is that i got a bunch of named variable already but I am using V = nchoosek({VAR1,VAR2,VAR3,VAR4,VAR5,VAR...

casi 9 años ago | 1 answer | 0

1

answer

Question


Multivariate regression in a loop
I got a matrix A (1x15) with each cell containing 524 x 4 of data, and a Y matrix containing 524 x1 data. I was going for : F...

casi 9 años ago | 1 answer | 0

1

answer

Question


How can I do multiple regression (i = 1:15) in a loop?
I got a matrix A (1x15) with each cell containing 524 x 4 of data, and a Y matrix containing 524 x1 data. I was going for : ...

casi 9 años ago | 1 answer | 0

1

answer

Answered
NCHOOSEK - What am I doing wrong?
Thanks everyone! If could accept everyone's answer i would..

casi 9 años ago | 0

Question


After using nchoosek function, how can i create variables for each answer?
Title says it all mostly. I created a matrix of 15x4 as a result of nchoosek (that gave me 15 answers) and i would like to be ab...

alrededor de 9 años ago | 1 answer | 0

1

answer

Question


How to establish all possible combinations of 4 variables out of 6 ?
The main idea is to gather possible combinations of 4 variable out of 6 total design variables. For every combination i will cal...

alrededor de 9 años ago | 2 answers | 0

2

answers