On 03/03/2015 5:47 AM, Evans Otieno Ochiaga wrote:
> Hi to All,
>
> I am building a package in R and whenever I run command "R CMD build OAR"
> in the terminal, I get the following error:
>
> * checking for file ‘OAR/DESCRIPTION’ ... OK
> * preparing ‘OAR’:
> * checking DESCRIPTION meta-information ... ERROR
> Malformed Depends or Suggests or Imports or Enhances field.
> Offending entries:
> R (>=3.0.2)
> Entries must be names of packages optionally followed by '<=' or '>=',
> white space, and a valid version number in parentheses.
That looks okay; I'm guessing it is out of place. Can you show use your
DESCRIPTION file?
Duncan Murdoch
>
> See the information on DESCRIPTION files in section 'Creating R
> packages' of the 'Writing R Extensions' manual.
>
> This is my first time to build a package using R and it's very hard for me
> to figure out where the problem is. I kindly call for your assistance in
> fixing the problem. Below is my function;
>
> bcidata <- read.csv("~/Desktop/Files_for_Package/data.csv"); bcidata
>
> Modelsfunc<- function(bcidata){
>
> occupancymean.data.frame <- NULL
>
> for (k in seq(2.5,250,by=2.5)){
>
> i <- 1000/k
>
> j <- 500/k
>
> bcidata$Xgrid <- cut(bcidata$PX, breaks = i, include.lowest = T)
>
> bcidata$Ygrid <- cut(bcidata$PY, breaks = j, include.lowest = T)
>
> bcidata$IDgrid <- with(bcidata, interaction(Xgrid,Ygrid))
>
> bcidata$IDNgrid <- factor(bcidata$IDgrid)
>
> levels(bcidata$IDgrid) <- seq_along(levels(bcidata$IDgrid))
>
> bcidata$count <- ave(bcidata$PX, bcidata$IDgrid, FUN = length)
>
> aggregate <- aggregate(bcidata$PX,bcidata[,c("Xgrid","Ygrid","IDNgrid")],
> FUN = length)
>
> Totalgrids <- length(levels(bcidata$IDgrid))
>
> Occupiedgrids <- length(aggregate$IDNgrid)
>
> sum <- sum(aggregate$x)
>
> TotalArea <- 500000
>
> Area <- (1000/i*500/j)
>
> Occupancy <- (Occupiedgrids/Totalgrids)
>
> Mean <- length(bcidata$Latin)/(Occupiedgrids)
>
> Variance <- var(aggregate$x)
>
> occupancymean.data.frame <- rbind(occupancymean.data.frame,
> data.frame(Area, Totalgrids, Occupiedgrids, Occupancy, Mean, Variance))
>
> }
>
> occupancymean.data.frame
>
> Occupancy <- occupancymean.data.frame$Occupancy
>
> Mean <- occupancymean.data.frame$Mean
>
> poission <- nls(Occupancy ~ 1-exp(-rho*Mean), start = list(rho = 2.1),
> data = occupancymean.data.frame)
>
> nachman <- nls(Occupancy ~ 1-exp(-alpha*Mean^beta), start = list(alpha =
> 0.2, beta = 0.1), data = occupancymean.data.frame)
>
> logistic <- nls(Occupancy ~ (alpha*Mean^beta)/(1+alpha*Mean^beta), start
> = list(alpha = 0.2, beta = 0.1),data = occupancymean.data.frame)
>
> nbd <- nls(Occupancy ~ 1-(1+(Mean)/k)^-k, start = list(k = 1), data =
> occupancymean.data.frame)
>
> power <- nls(Occupancy ~ alpha*Mean^beta, start = list(alpha = 0.2, beta=
> 0.1), data = occupancymean.data.frame)
>
> inbd <- nls(Occupancy ~
> 1-(alpha*(Mean^(beta-1)))^(Mean/(1-alpha*Mean^(beta-1))), start =
> list(alpha = 0.2, beta = 0.3),
>
> data = occupancymean.data.frame)
>
> fnbd <- nls(Occupancy ~ 1- (gamma(N +
> k/(Mean*A/N)-k)*gamma(k/(Mean*A/N)))/(gamma(k/(Mean*A/N)-k)*gamma(N+k/(Mean*A/N))),
>
>
> start = list(k = 0.2, A = 0.1, N = 0.2), data = occupancymean
> .data.frame)
>
> bayesianII <- nls(Occupancy ~ 1-(theta*beta^(2*(TotalArea
> *Mean/sum)^0.5)*delta^(TotalArea*Mean/sum)), start = list(theta=0.9956,
> beta=1, delta=1), data = occupancymean.data.frame)
>
>
> return(list(summary(poission), summary(nachman), summary(logistic),
> summary(nbd),
>
> summary(power), summary(inbd), summary(fnbd), summary(
> bayesianII)))
>
> }
>
> Modelsfunc(bcidata)
>
> Your assistance will be highly appreciated. Thanks in advance.
>
> Regards,
>
>
> *Evans Ochiaga*
>
> *African Institute for Mathematical Sciences*
>
> *6 Melrose Road*
>
> *Muizenberg, South Africa*
>
> *Msc in Mathematical Sciences+27 84 61 69 183 *
>
> *"When I cannot understand my Father’s leading, And it seems to be but hard
> and cruel fate, Still I hear that gentle whisper ever pleading, God is
> working, God is faithful—Only wait."*
>
> [[alternative HTML version deleted]]
>
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