Displaying 6 results from an estimated 6 matches for "hydinghua".
2006 May 12
3
Maximum likelihood estimate of bivariate vonmises-weibulldistribution
...our plot for a particular copula and on what is computed the
> Kendall's tau?
>
> Thanks,
>
> Aziz
>
> -----Original Message-----
> From: Dimitris Rizopoulos
> [mailto:dimitris.rizopoulos at med.kuleuven.be]
> Sent: May 12, 2006 9:57 AM
> To: Chaouch, Aziz; hydinghua at gmail.com
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] Maximum likelihood estimate of bivariate
> vonmises-weibulldistribution
>
> the choice of the copula is, in fact, a model selection problem.
> First, you could have a look at the contour plots of different
> co...
2007 Aug 02
2
y axix number into horizontal direction
Dear R users,
I used plot() and mtext() functions to draw a plot. The numbers: 0,20,35,
40,60,80,100 were in the vertical direction. I'd like to transfer them into
the horizontal direction.
plot(0,0,xaxt="n",type="n", ylim=c(0,100))
mtext("35",side=2,at=35)
Any suggestion?
Thanks.
Rebecca
[[alternative HTML version deleted]]
2006 Oct 02
2
R function to compute kappa statistics for two vector
Dear R-user,
Did anybody know how to calculate the kappa statistics of two vectors for
the agreement? for example:
a<-c(0,1,0,0,1,0)
b<-c(0,1,1,0,0,1)
I know the percent of agreement is 3/6, but how to get the kappa?
[[alternative HTML version deleted]]
2006 Jun 30
5
median of gamma distribution
Doese anyone know a R function to find the median of a gamma distribution?
[[alternative HTML version deleted]]
2006 Sep 10
1
R number output format
I'd like to save the number 0.0000012 to a file just as it appears, but when
I dput(0.0000012, "t.txt"), I got 1.2e-06, NOT 0.0000012.
Anybody knows how I can do this?
> 0.0000012
[1] 1.2e-06
> as.character(0.0000012)
[1] "1.2e-06"
> dput(0.0000012, "t.txt")
Thanks.
[[alternative HTML version deleted]]
2006 May 11
2
Maximum likelihood estimate of bivariate vonmises-weibull distribution
Hi,
I'm dealing with wind data and I'd like to model their distribution in
order to simulate data to fill-in missing values. Wind direction are
typically following a vonmises distribution and wind speeds follow a
weibull distribution. I'd like to build a joint distribution of
directions and speeds as a VonMises-Weibull bivariate distribution.
First is this a stupid question? I'm