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2009 Aug 07
0
Bug in nlm, found using sem; failure in several flavors (PR#13882)
...I use:
>
> library(sem)
> ice.S <- read.csv("iceS.csv") # attached
> rownames(ice.S) <- ice.S[,1]
> ice.S[,1] <- NULL
> ice.S <- as.matrix(ice.S)
> ice.ram <- specify.model("ice.ram") # attached
> ice.N <- 342
> ice.sem <- sem(ram=3Dice.ram, S=3Dice.S, N=3Dice.N)
>
> ...at this point, any number of problems could occur. I have seen the
> following.
>
> 1) Simple lack of convergence. (might be my model's fault.)
> 2) Error in nlm(if (analytic.gradient) objective.2 else objective.1, star=
t,
> :
> =A0 typ...
2009 Aug 07
1
Bug in nlm, found using sem; failure in several flavors (PR#13883)
...m)
>> ice.S <- read.csv("iceS.csv") # attached
>> rownames(ice.S) <- ice.S[,1]
>> ice.S[,1] <- NULL
>> ice.S <- as.matrix(ice.S)
>> ice.ram <- specify.model("ice.ram") # attached
>> ice.N <- 342
>> ice.sem <- sem(ram=3Dice.ram, S=3Dice.S, N=3Dice.N)
>>
>> ...at this point, any number of problems could occur. I have seen the
>> following.
>>
>> 1) Simple lack of convergence. (might be my model's fault.)
>> 2) Error in nlm(if (analytic.gradient) objective.2 else objective.1, sta=...