* using log directory 'd:/Rcompile/CRANpkg/local/4.3/GWnnegPCA.Rcheck'
* using R version 4.3.3 (2024-02-29 ucrt)
* using platform: x86_64-w64-mingw32 (64-bit)
* R was compiled by
    gcc.exe (GCC) 12.3.0
    GNU Fortran (GCC) 12.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'GWnnegPCA/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'GWnnegPCA' version '0.0.4'
* package encoding: UTF-8
* 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 'GWnnegPCA' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... 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 R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s] OK
* checking whether the package can be unloaded cleanly ... [1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s] OK
* checking loading without being on the library search path ... [1s] 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 ... [3s] OK
* checking Rd files ... [0s] OK
* checking Rd metadata ... 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 LazyData ... NOTE
  'LazyData' is specified without a 'data' directory
* checking examples ... [2s] ERROR
Running examples in 'GWnnegPCA-Ex.R' failed
The error most likely occurred in:

> ### Name: gw_nsprcomp
> ### Title: Geographically Weighted non-negative Principal Component
> ###   Analysis
> ### Aliases: gw_nsprcomp
> ### Keywords: "SPATIAL" "MULTIVALIATE"
> 
> ### ** Examples
> 
> 
> ### This example is for demonstrating GWnnegPCA only.
> ### The application does not imply any reasonable meanings.
> 
> library(sp)
> library(spData)
To access larger datasets in this package, install the spDataLarge
package with: `install.packages('spDataLarge',
repos='https://nowosad.github.io/drat/', type='source')`
> library(sf)
Linking to GEOS 3.11.2, GDAL 3.8.2, PROJ 9.3.1; sf_use_s2() is TRUE
> 
> boston <- as(st_read(system.file("shapes/boston_tracts.shp",
+                                  package="spData")[1]), "Spatial")
Error: `dsn` must point to a source, not an empty string.
Execution halted
* checking PDF version of manual ... [22s] OK
* checking HTML version of manual ... [1s] OK
* DONE
Status: 1 ERROR, 1 NOTE