* using log directory 'd:/RCompile/CRANincoming/R-devel/OPCreg.Rcheck'
* using R Under development (unstable) (2025-04-11 r88138 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.2.0
    GNU Fortran (GCC) 14.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'OPCreg/DESCRIPTION' ... OK
* this is package 'OPCreg' version '0.2.0'
* package encoding: UTF-8
* checking CRAN incoming feasibility ... NOTE
Maintainer: 'Guangbao Guo <ggb11111111@163.com>'

New submission
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'OPCreg' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
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* checking R code for possible problems ... OK
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* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... ERROR
Running examples in 'OPCreg-Ex.R' failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: PPC
> ### Title: The perturbation principal component method can handle online
> ###   data sets.
> ### Aliases: PPC
> 
> ### ** Examples
> 
> library(MASS)
> n=2000;p=20;m=9;
> mu=t(matrix(rep(runif(p,0,1000),n),p,n))     
> mu0=as.matrix(runif(m,0))
> sigma0=diag(runif(m,1))
> F=matrix(mvrnorm(n,mu0,sigma0),nrow=n)
> A=matrix(runif(p*m,-1,1),nrow=p)
> D=as.matrix(diag(rep(runif(p,0,1))))
> epsilon=matrix(mvrnorm(n,rep(0,p),D),nrow=n)
> data=mu+F%*%t(A)+epsilon 
> PPC(data=data,m=m,eta=0.8) 
Error in PPC(data = data, m = m, eta = 0.8) : 
  could not find function "PPC"
Execution halted
* checking PDF version of manual ... [20s] OK
* checking HTML version of manual ... OK
* DONE
Status: 1 ERROR, 1 NOTE