Posts by Felipe Silva • 195 points
9 posts
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answer1010
viewsA: system is computationally singular: reciprocal number condition
The matrix cannot be reversible the determinant of the matrix is zero or approximately zero. I have dealt with this in two different ways, you have changed the data to a similar model that has…
ranswered Felipe Silva 195 -
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answer1010
viewsQ: system is computationally singular: reciprocal number condition
I’m dealing with time series on R. My Data are Homocedastic, have no autocorrelation, no unitary root in lag=0, trend or seasonality. I still run into the problem of this particular error: VAR_S…
rasked Felipe Silva 195 -
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answer152
viewsA: R - Econometrics - Wald test and autocorrelation
I understand your question seeks very specific tests, if I help you. I use for autocorrelation Durbin Watson DW<-dwtest(lm(Y~X)) Heterocedasticity. Goldfeld Quandt GQ2<-gqtest(lm(Y~X)) Until…
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answer211
viewsQ: Using the lm function of R to solve the autocorrelation problem
I’m working with the function. lm(y~x) simple regression, due to tests I checked autocorrelation, so the blibliography indicates a transformation. Something like: Y=B1*(1-p)+B2(X-(p*X[-1])) That…
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answer283
viewsA: Difficulty to decompose time series in r
According to Rui’s answer. For the specific case there is no viable return to the command, because actually the serious response is less than or equal to 2 periods.
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answer283
viewsQ: Difficulty to decompose time series in r
I’m trying to use the R for the first time. I’m trying to assess possible shocks in a VAR model, so I can’t develop the decomp test. being my main question the message "time series has no period, or…
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answer3518
viewsQ: Push git "Everything up-to-date " Data is not actually sent
I’m pushing to a repository in gitlab.com. I get the feedback: Warning: redirecting to https://gitlab.com/fellipesillvaoff/Dados_Agronomia.git/ Everything up-to-date In my mind, it worked. In…
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answer117
viewsA: How do I synchronize git folders to allow me to use R files simultaneously on multiple stations?
Git, has a keygen platform and a tutorial in Portuguese on the site. https://git-scm.com/ Through the tutorial in item 4.3…
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answer117
viewsQ: How do I synchronize git folders to allow me to use R files simultaneously on multiple stations?
I did an account in Git, and it’s supposed to allow me to use R files simultaneously on multiple stations. But I have fought hard to succeed in the SSH key that the platform asks for. And now I…