* using log directory 'd:/RCompile/CRANincoming/R-devel/OPCreg.Rcheck'
* using R Under development (unstable) (2025-04-15 r88147 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
* checking foreign function calls ... OK
* checking R code for possible problems ... [11s] NOTE
spcrl: no visible binding for global variable 'lm.sol.1'
Undefined global functions or variables:
  lm.sol.1
* checking Rd files ... OK
* 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: spcrl
> ### Title: The stochastic principal component regression with varying
> ###   learning-rate can handle online data sets.
> ### Aliases: spcrl
> 
> ### ** Examples
> 
> # Load necessary libraries
> library(MASS)
> library(Matrix)
> library(car)
Loading required package: carData
> # Set seed for reproducibility
> set.seed(1234)
> 
> # Define sample size, number of variables and number of principal component
> n = 2000
> p = 10
> m=9
> # Mean vector
> mu0 = runif(p, 0)
> 
> # Method 1: Generate a positive-definite matrix using the Wishart distribution
> Sigma0 = rWishart(1, df = p, Sigma = diag(p))[,,1]
> 
> # Method 2: Manually construct a positive-definite matrix
> # A = matrix(rnorm(p^2), nrow = p)
> # Sigma0 = A %*% t(A) + diag(p) * 10
> 
> # Method 3: Adjust an existing matrix to be positive-definite
> # Sigma0 = nearPD(Sigma0)$mat
> 
> # Generate multivariate normal data
> x = mvrnorm(n, mu0, Sigma0)
> colnames(x)<-paste("x",1:p,sep="")
> e=rnorm(n,0,1)
> B = sample(1:3,(p+1),replace = TRUE) 
> en<-matrix(rep(1,n*1),ncol=1)
> y=cbind(en,x)
> colnames(y)<-paste("y", 1:ncol(y), sep="")
> data<-data.frame(cbind(y,x))
> spcrl(data=data,m=m,eta=0.8,alpha=0.5)
Error in spcrl(data = data, m = m, eta = 0.8, alpha = 0.5) : 
  object 'lm.sol.1' not found
Calls: spcrl -> coef
Execution halted
* checking PDF version of manual ... [20s] OK
* checking HTML version of manual ... OK
* DONE
Status: 1 ERROR, 2 NOTEs