Displaying 3 results from an estimated 3 matches for "wden".
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2010 Sep 15
1
optim with BFGS--what may lead to this, a strange thing happened
Dear R Users
on a self-written function for calculating maximum likelihood probability (plz
check function code at the bottom of this message), one value, wden, suddenly
jump to zero. detail info as following:
w[11]=2.14
lnw =2.37 2.90 3.76 ...
regw =1.96 1.77 1.82 ....
wden=0.182 0.178 0.179...
w[11]=2.14
lnw=2.37 2.90 3.76 ...
regw =1.96 1.77 1.82 ....
wden=0.182 0.179 0.180...
w[11]=-0.51
lnw=2.37 2.90 3.76 ...
regw=57.92 57....
2010 Sep 07
5
question on "optim"
Hey, R users
I do not know how to describe my question. I am a new user for R and write the
following?code for a dynamic labor economics?model and use OPTIM to get
optimizations and parameter values. the following code does not work due to
the?equation:
?? wden[,i]<-dnorm((1-regw[,i])/w[5])/w[5]
where w[5]?is one of the parameters (together with vector a, b and other
elements in vector w)?need to be estimated. if I delete the w[5] from the upper
equation. that is:
?wden[,i]<-dnorm(1-regw[,i])
optim will give me the estimated parameters. but the...
2020 Feb 27
2
[PATCH] Update the 5 year logo to 10 year logo
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