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Karsten Reuß


Ernsting's Family

Last seen: 2 years ago |  Active since 2017

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I'm a Data Scientist and economist who enjoys to work with MATLAB. I use it for econometrics, simulation models and time series forecasting. I also use R a lot.

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Websave on csv returns empty file
I am trying to download a file with websave. While downloading the csv with my browser works fine, websave returns an empty csv...

5 years ago | 2 answers | 0

2

answers

Answered
Websave on csv returns empty file
I found one workaround. web('http://stooq.com/q/d/l/?s=^aor&d1=20190303&d2=20190405&i=d', '-browser') Then Firefox (my standar...

5 years ago | 0

Answered
In fitglm, how can I have a predictor as both categorical and ordinal?
Ordinal variables in Matlab can be handeled by mnrfit. Here's the theoretrical part: <https://de.mathworks.com/help/stats/mu...

6 years ago | 0

Answered
How can I generate all possible combinations of a given number of vectors?
There are several commands you may try, depending on if you want replacement/no replacement/ ordering matters or not, One com...

6 years ago | 1

Answered
Does fitrlinear return linear regression model or svm regression model
It fits both, depending on if you specify 'Learner','leastsquares' or 'Learner','svm' Anyways, fitrlinear has so many dif...

6 years ago | 0

Answered
speed up xlsread
Small update on this one: In versions of Matlab newer than 2013, readtable is much faster. I had some 300 files to import, ...

6 years ago | 0

Question


stepwiselm: Can I limit the maximum number of variables to a fixed integer?
I'm using stepwiselm: stepwiselm(X,y,'constant','Upper','quadratic','Criterion','adjrsquared') I want my model to include ...

7 years ago | 1 answer | 0

1

answer

Answered
how to combine the result of 3 loops in one cell array with 2 dimensions?
If I understand your question correctly it can be done like this: You can rearrange the dimenstions of B after the loops with co...

7 years ago | 1

| accepted

Answered
Using for loops to find values of n
1. your r is never eqal to n, because n is a single number and r is a vector. 2. your code only works when you put round(r(s)...

7 years ago | 1

Answered
Plotting from mat file
If you want only first and second month in your variables you can do this: POSTAJE_CLM_hvar(POSTAJE_CLM_hvar(:,2)<3,:) Alt...

7 years ago | 1

| accepted

Answered
minimum of 4 integers
Do you mean this? smallestnumber=min([3 5 6 7])

7 years ago | 0

| accepted