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2016 Apr 06
0
R-dvel [robustness Simulation study of 2 sample test on several combination of factors ]
...4,6,8,10,12,14)
# this number is needed below
nsds<-length(sds)
set.seed(8)
#number of simulations
nSims<-10000
#set significance level,alpha for the whole simulatio
alpha<-0.05
#set empty vector of length no.of _calculations_ to store p-values
# Note: you have 54 calculations, not 10000
ncalcs<-dim(sample_sizes)[2]*nsds
t_equal <-c(rep(0,length=ncalcs))
t_unequal <-c(rep(0,length=ncalcs))
mann <-c(rep(0,length=ncalcs))
#set up matrix for storing data from the vectors
# but you do want 10000 replications of each calculation
matrix_Equal<-matrix(rep(NA,ncalcs*nSims),nrow=nS...
2016 Apr 06
0
R-dvel [robustness Simulation study of 2 sample test on several combination of factors ]
...ds<-length(sds)
> set.seed(8)
>
> #number of simulations
> nSims<-10000
> #set significance level,alpha for the whole simulatio
> alpha<-0.05
>
> #set empty vector of length no.of _calculations_ to store p-values
> # Note: you have 54 calculations, not 10000
> ncalcs<-dim(sample_sizes)[2]*nsds
> t_equal <-c(rep(0,length=ncalcs))
> t_unequal <-c(rep(0,length=ncalcs))
> mann <-c(rep(0,length=ncalcs))
>
> #set up matrix for storing data from the vectors
> # but you do want 10000 replications of each calculation
> matrix_Equal<-m...
2002 Oct 17
1
underflow handling in besselK (PR#2179)
The besselK() function knows about overflows/underflows internally;
there is a constant xmax_BESS_K in src/nmath/bessel.h (and referred to
only in bessel_k.c), equal to 705.342, which is checked if expon.scaled is
FALSE. (The equivalent number for bessel_i.c is 709, defined as
exparg_BESS in bessel.h.) However, besselK(x) silently returns +Inf if
x>705.342. This behavior is reasonable for