Displaying 4 results from an estimated 4 matches for "dlambda".
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lambda
2013 Jan 31
1
Please, problem using “bcPower”
...001034820 0.0001022700
[29] 0.0001042640 0.0001046720 0.0001045860 0.0001045160 0.0001045850 0.0001038040 0.0001037020
[36] 0.0001034050 0.0001048150 0.0001017180 0.0001017920 0.0001032730 0.0001029420 0.0001025220
[43] 0.0001031490 0.0001036995 0.0001039735 0.0001014877 0.0001027960 And my code is:dlambda <- powerTransform(x) #It is here where I get the warning message
x_BCx <- bcPower(x, lambda= dlambda$lambda, jacobian.adjusted= FALSE)
Does anyone know why I may be getting this Warning Message? If you require more details please get in touch.
Many thanks in advance!
Bea
[[alternative HT...
2007 Sep 09
2
What does it mean by "initial value not available"?
...bda*lambda/(sigmae*ss/(ss+lbar*(tot/sh*1000.0
)))/(sigmae*ss/(ss+lbar*(tot/sh*1000.0)))))))))))
fit.error=function(rec,lambda,lbar)
{sum((eval(apple)*1000-orange)^2/(orange^2))
}
fit.error.grr=function(rec,lambda, lbar)
{drec=sum(eval(D(apple,'rec'))*(eval(apple)*1000-orange)/(orange^2))
dlambda=sum(eval(D(apple,'lambda'))*(eval(apple)*1000-orange)/(orange^2))
dlbar=sum(eval(D(apple,'lbar'))*(eval(apple)*1000-orange)/(orange^2))
c(drec,dlambda,dlbar)
}
rr=c(4.33,4.22,4.27,4.43,4.43,4.44,4.45,4.65,4.77,4.77)
tot=rep(13319.17,10)
sh=rep(1553656,10)
sigmae=c(0.172239074,0.18...
2013 Jan 17
0
powerTransform Warning Message
...001034820 0.0001022700
[29] 0.0001042640 0.0001046720 0.0001045860 0.0001045160 0.0001045850 0.0001038040 0.0001037020
[36] 0.0001034050 0.0001048150 0.0001017180 0.0001017920 0.0001032730 0.0001029420 0.0001025220
[43] 0.0001031490 0.0001036995 0.0001039735 0.0001014877 0.0001027960 And my code is:dlambda <- powerTransform(x) #It is here where I get the warning message
x_BCx <- bcPower(x, lambda= dlambda$lambda, jacobian.adjusted= FALSE)
Does anyone have an idea of why I could be getting this Warning Message? If you require more details please get in touch.
Thanks a lot!
Bea
[[alt...
2007 Sep 10
2
Are the error messages of ConstrOptim() consisten with each other?
...nt
apple
}
fit.error=function(rec1,lambda1,lbar1)
{rec=rec1
lambda=lambda1
lbar=lbar1
sum((eval(apple2)*1000-orange)^2/(orange^2))
}
fit.error.grr=function(rec1,lambda1,lbar1)
{rec=rec1
lambda=lambda1
lbar=lbar1
drec=sum(20000*eval(D(apple2,'rec'))*(eval(apple2)*10000-orange)/(orange^2))
dlambda=sum(20000*eval(D(apple2,'lambda'))*(eval(apple2)*10000-orange)/(orange^2))
dlbar=sum(20000*eval(D(apple2,'lbar'))*(eval(apple2)*10000-orange)/(orange^2))
c(drec,dlambda,dlbar)
}
ui=matrix(c(1,-1,0,0,0,0,0,0,1,-1,0,0,0,0,0,0,1,-1),6,3)
ci=c(0,-0.5,0,-2,0,-0.6)
constrOptim(c(0.5,0....