Community Profile # Fox

Active since 2015

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How do I estimate in-sample predictions of an ARFIMA model ?
Hello, does anybody know how to do in-sample predictions of an ARFIMA(p,d,q) model, meaning how do I get yfit and is it even po...

environ 4 ans ago | 0 answers | 0

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Question

How to solve the problem that the demeaning of X gives a variable Y that has not exactly a zero mean, probably due to very small values ?
Hello together, I have the problem that I want to standardize a vector X. I do this by firstly demeaning X. if true %...

plus de 4 ans ago | 1 answer | 0

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Question

How to conclude significance of the parameters of the ARFIMA(p,d,q) process ?
Dear everybody, I am using the ARFIMA(p,d,q) toolbox of György Inzelt 2011, which is in the file exchange. From the estimation,...

plus de 4 ans ago | 0 answers | 0

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Question

How to use a loop with datetime and store the datetime values?
Hello everybody, I want to create a time vector (datetime), that consists of the time span 02-Jan-2001-18-Apr-2012. Here ever...

plus de 4 ans ago | 3 answers | 0

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Question

How can I compute the following formular recursive ?
x1=b(1)+ b(2)*x0+resrd2(1,:); % b1 and b2 are scalars x(0) also resrd2 is a matrix of 743x1 x2=b(1)+ b(2)*x1+resrd2(2,:); ...

plus de 6 ans ago | 0 answers | 0

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Question

How can I solve these recursive equations ?
Hello I want to take the solution of a equation and use this as a new variable and so on like in the following demonstrated. ...

plus de 6 ans ago | 2 answers | 0

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Question

How can I combine two matrix ?
Hi I want to combine two matrix(matrix1= e1(743,7), matrix2= e2(743,7)), in the form of taking the first column of the first mat...

plus de 6 ans ago | 2 answers | 0

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Question

How to save values of a double for loop ?
I want to save the different values of bety2 of the following double for loop in a matrix, however my code doesn't work. b...

plus de 6 ans ago | 1 answer | 1

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Question

How to save values of loops ?
I made the following for loop and now want to save the different values I get on my command window in one vector: My Problem is ...

presque 7 ans ago | 1 answer | 0

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Question

How can I create a plot with quaterly dates on the x-axis ?
Hi I have quaterly data from 1973.Q1-2013.Q4. I want to plot this with the quaterly time frame on the x-axis. How can I do this ...

presque 7 ans ago | 1 answer | 0

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Question

How can I repeat the following text 5000 times and save the solutions for the 5000 different betas in a 1x 5000 matrix ?
Hello, I make some wild bootstrap here and I now want to repeat the following text(formulas)as a whole 5000 times and save the d...

presque 7 ans ago | 1 answer | 0

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Question

How can I repeat the following text 5000 times ?
Hello, I make some wild bootstrap here and I know want to repeat the following text(formulas)as a whole 5000 times: % Estim...

presque 7 ans ago | 1 answer | 0

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Question

How do I create a random variable which follows the Rademacher Distribution?
Hello I want to make a form of wild bootstrap of a residual from a regression. I have to multiply my residual with a random va...

presque 7 ans ago | 1 answer | 0

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Question

How can I get a matrix for such a for loop ? I want to create a matrix with each of the i values, because now I only get always the last value for i.
I've two matrixes G and Rm and I want to regress one column of the G matrix on one column in the Rm matrix. When I made this in...

presque 7 ans ago | 1 answer | 0