https://github.com/cran/Hmisc
Tip revision: d395ec7d405b86ddeed1ce3651c7ba4b17a120c2 authored by Charles Dupont on 04 June 2010, 08:40:47 UTC
version 3.8-1
version 3.8-1
Tip revision: d395ec7
rcorr.f
C Output from Public domain Ratfor, version 1.01
subroutine rcorr(xx, n, p, itype, dmat, npair, x, y, rx, ry, work,
* iwork)
integer p, npair(p,p)
double precision xx(n,p), dmat(p,p), x(1), y(1), rx(1), ry(1), wor
*k(1)
integer iwork(1)
double precision sumx,sumx2,sumy,sumy2,sumxy,z,a,b
do23000 i=1, p
np=0
do23002 k=1, n
if(xx(k,i).lt.1e30)then
np=np+1
endif
23002 continue
23003 continue
npair(i,i)=np
do23006 j=(i+1),p
m=0
if(itype.eq.1)then
sumx=0d0
sumy=0d0
sumx2=0d0
sumy2=0d0
sumxy=0d0
endif
do23010 k=1,n
xk=xx(k,i)
yk=xx(k,j)
if(xk.lt.1e30 .and. yk.lt.1e30)then
m=m+1
if(itype.eq.1)then
a=xk
b=yk
sumx=sumx+a
sumx2=sumx2+a*a
sumy=sumy+b
sumy2=sumy2+b*b
sumxy=sumxy+a*b
else
x(m)=xk
y(m)=yk
endif
endif
23010 continue
23011 continue
npair(i,j)=m
if(m.gt.1)then
if(itype.eq.1)then
z=m
d=(sumxy-sumx*sumy/z)/dsqrt((sumx2-sumx*sumx/z)*(sumy2-sumy*sumy/z
*))
else
call docorr(x, y, m, d, rx, ry, work, iwork)
endif
dmat(i,j)=d
else
dmat(i,j)=1e30
endif
23006 continue
23007 continue
23000 continue
23001 continue
do23020 i=1,p
dmat(i,i)=1.
do23022 j=(i+1),p
dmat(j,i)=dmat(i,j)
npair(j,i)=npair(i,j)
23022 continue
23023 continue
23020 continue
23021 continue
return
end
subroutine docorr(x, y, n, d, rx, ry, work, iwork)
double precision x(1), y(1), rx(1), ry(1)
integer*4 iwork(1)
double precision sumx,sumx2,sumy,sumy2,sumxy,a,b,z
call rank(n, x, work, iwork, rx)
call rank(n, y, work, iwork, ry)
sumx=0d0
sumx2=0d0
sumy=0d0
sumy2=0d0
sumxy=0d0
do23024 i=1,n
a=rx(i)
b=ry(i)
sumx=sumx+a
sumx2=sumx2+a*a
sumy=sumy+b
sumy2=sumy2+b*b
sumxy=sumxy+a*b
23024 continue
23025 continue
z=n
d=(sumxy-sumx*sumy/z)/dsqrt((sumx2-sumx*sumx/z)*(sumy2-sumy*sumy/z
*))
return
end