Statistica
RANK
8.379
of 295.448
REPUTAZIONE
5
CONTRIBUTI
34 Domande
3 Risposte
ACCETTAZIONE DELLE RISPOSTE
91.18%
VOTI RICEVUTI
4
RANK
of 153.872
CONTRIBUTI
0 Problemi
0 Soluzioni
PUNTEGGIO
0
NUMERO DI BADGE
0
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
0 Punti principali
NUMERO MEDIO DI LIKE
Publish your first review
Awarded to Fred on 09 Oct 2019
Accept 20 answers given by other contributors
Awarded to Fred on 20 Jul 2017
Feeds
Domanda
How to change the Ytick in the secondary y axis?
I have a figure with the following code. How can I add 20 and 80 to the secondary y label? Now it looks like this: <</mat...
oltre 9 anni fa | 1 risposta | 0
1
rispostaDomanda
How to plot a second axis with vectors of different length?
I want to create a plot with 3 time series. First DO with values starting from 1998 to 2012 and for secondary axis two other t...
oltre 9 anni fa | 1 risposta | 0
1
rispostaDomanda
How to test chi-squared dist?
How can I test whether my observed values come from a chi-square distribution with n-degrees of freedom (preferably with Anderso...
circa 10 anni fa | 1 risposta | 0
1
rispostaDomanda
Is there any difference between rand(n,1) and unifrnd(0, 1, n, 1)?
Is there any difference between rand(n,1) and unifrnd(0, 1, n, 1)?
circa 10 anni fa | 2 risposte | 1
2
risposteDomanda
How to set up a ARMAX model with more than one exogenous time series?
I am trying to forecast Y1 with using Y2 and Y3 as exogenous time series I have written the following code for one input, one ou...
circa 10 anni fa | 0 risposte | 0
0
risposteDomanda
How to simulate ARIMA from residuals?
I know that we can get the residuals of the model by the following function: res = infer(fit,Y); Now if we have residual...
circa 10 anni fa | 1 risposta | 0
1
rispostaDomanda
Problem in setting xtick labels
I have a plot like this: E = plot(100.*x2(433:444,1),'*-r','MarkerSize', 5); set(gca,'xtick',1:1:12); set(gca,'xtickl...
oltre 10 anni fa | 1 risposta | 0
1
rispostaDomanda
help needed with subsindex error
This is the ARIMA part of my code TS2 = TS(:,2); n2=16; [fit,VarCov,LogL,info] = estimate(model,TS2(1:n2,1)) AIC =...
oltre 10 anni fa | 1 risposta | 0
1
rispostaDomanda
a simple question about linear regression
Hi, I have a n*2 matrix named Y which has two columns; the first column is my observation values and the second column is the p...
oltre 10 anni fa | 1 risposta | 0
1
rispostaDomanda
Student t Copulafit with df=1
Hi, I want to use "copulafit" function but assign degree of freedom as 1, How can I do that? does estimated RHO values depend...
quasi 11 anni fa | 0 risposte | 0
0
risposteDomanda
How to assign two identifiers to a vector of n values.
Hi, I need to assign two identifiers to a vector of n values like _V |i,j|_ in a way that _V_ is not a cell but it is a vector ...
quasi 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Error in optimization process
I am trying to fit a gumbel distribution on a series of data. So I want to minimize the negative of maximum likelihood by optimi...
circa 11 anni fa | 1 risposta | 0
1
rispostaDomanda
how to generate 1000 random numbers with extreme value dist?
how to generate 1000 random numbers with extreme value dist type 1 (Gumbel) with know parameters m and a
circa 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to define some orders in ARIMA
I want to define an ARIMA(1,0,8) but I only want the model to find the optimal values for first and last MA orders in a way that...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to specify a seasonal ARMA model using model function?
Hi, How can I specify a (1,0,0)(2,0,0)[12] SARMA model using model function in econ toolbox? (1,0,0)(2,0,0)[12] are orde...
oltre 11 anni fa | 0 risposte | 0
0
risposteDomanda
How to call a property?
Hi, I am relatively new in MATLAb so sorry if my question is very simple: in my workspace they are some variables which are 1*...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to handle polynomial expansion in MATLAb
Dear all; I have two vectors Z(m*1) and S(n*1) (Z is my data and S are coefficients from another formula) and I want to adjus...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to fsum on only one variable?
Hi, I want to find the following Z(i)s but inside the sum is only for j. How can I write following script with sum on only j? ...
oltre 11 anni fa | 2 risposte | 0
2
risposteDomanda
how does global function work in this code?
Hi, I am kind of beginner in MATLAB and I try to use the following code. It seems I should define p and q but I can not figure ...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to find parameters of a time series by MLE
Hi, I have a set of data (a time series) Zt (t=1:400) I need to find MLE of parameters a,b,c and d by following equation which ...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
How to plot a data set with shift in axis?
Hi, I am trying to plot two data set in a figure Y1 starts from x=1 to x=100 but Y2 starts from x=50 to 100. How can I plot Y2 ...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
sorting a time series
Hello, II have a time series Yt and I sorted them in ascending order and I got Yi, then I used them in a function and I got Z...
quasi 12 anni fa | 2 risposte | 0
2
risposteDomanda
replacing matrix rows in a loop
Hi, I am trying to build a n*k matrix but each row are produced by a function which has a 1*k output. How can I build that? I...
quasi 12 anni fa | 2 risposte | 1
2
risposteDomanda
Derivative of a polynomial in MATLAB
Hi, I want to create a series of Hermite polynomials which includes derivative. How can I do that since MATLAB does not have ...
quasi 12 anni fa | 1 risposta | 0
1
rispostaDomanda
managing two variables in sum function
Hi, I want to manage two variables in a sum function in a way that sum(i*cos(ik)); which i=1:N , k=1:M but I want only wa...
quasi 12 anni fa | 2 risposte | 0
2
risposteDomanda
A simple question regarding axes label
I am plotting a time series 12 months*10 years=120 values and my default x axis label is from 1 to 120 but I want change the lab...
quasi 12 anni fa | 1 risposta | 0
1
rispostaHow to rank data in a whole matrix
thank you reshape(tiedrank(A(:)),size(A)) was what I needed
quasi 12 anni fa | 1
Domanda
How to rank data in a whole matrix
Hi, I need to rank the data in a matrix but tiderank function does it for each column separately. how can I do it for all data ...
quasi 12 anni fa | 2 risposte | 0
2
risposteDomanda
A simple question about working with array matrix and converting a column to multiple columns
Dear all, I have a time series of monthly data for 50 years in a single column of 600 rows how can I convert them to a form of ...
quasi 12 anni fa | 1 risposta | 0
1
risposta
Puoi anche selezionare un sito web dal seguente elenco:
Americhe
- América Latina (Español)
- Canada (English)
- United States (English)
Europa
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
Asia-Pacifico
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)