- using R version 2.15.3 (2013-03-01)
- using platform: i386-apple-darwin9.8.0 (32-bit)
- using session charset: UTF-8
- checking for file ‘spcosa/DESCRIPTION’ ... OK
- checking extension type ... Package
- this is package ‘spcosa’ version ‘0.3-3’
- 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 executable files ... OK
- checking whether package ‘spcosa’ can be installed ... OK
- checking installed package size ... OK
- checking package directory ... OK
- checking for portable file names ... OK
- checking for sufficient/correct file permissions ... 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 ... 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 for unstated 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 ... OK
- checking Rd files ... 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 sizes of PDF files under ‘inst/doc’ ... OK
- checking installed files from ‘inst/doc’ ... OK
- checking examples ... ERROR
Running examples in ‘spcosa-Ex.R’ failed
The error most likely occurred in:
> ### Name: estimate-methods
> ### Title: Estimating Statistics
> ### Aliases: estimate-methods estimate
> ### estimate,character,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### estimate,character,CompactStratificationEqualArea,SamplingPatternRandomComposite,data.frame-method
> ### estimate,SamplingVariance,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### estimate,SamplingVariance,CompactStratificationEqualArea,SamplingPatternRandomComposite,data.frame-method
> ### estimate,SpatialCumulativeDistributionFunction,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### estimate,SpatialMean,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### estimate,SpatialMean,CompactStratificationEqualArea,SamplingPatternRandomComposite,data.frame-method
> ### estimate,SpatialVariance,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### estimate,StandardError,CompactStratification,SamplingPatternRandomSamplingUnits,data.frame-method
> ### Keywords: methods
>
> ### ** Examples
>
>
> # Note: the example below requires the 'rgdal'-package.
> # You may consider the 'maptools'-package as an alternative
> if (require(rgdal)) {
+ # read vector representation of the "Mijdrecht" area
+ shp <- readOGR(
+ dsn = system.file("maps", package = "spcosa"),
+ layer = "mijdrecht"
+ )
+
+ # stratify into 30 strata
+ myStratification <- stratify(shp, nStrata = 30, nTry = 10, verbose = TRUE)
+
+ # random sampling of two sampling units per stratum
+ mySamplingPattern <- spsample(myStratification, n = 2)
+
+ # plot sampling pattern
+ plot(myStratification, mySamplingPattern)
+
+ # simulate data
+ # (in real world cases these data have to be obtained by field work etc.)
+ myData <- as(mySamplingPattern, "data.frame")
+ myData$observation <- rnorm(n = nrow(myData), mean = 10, sd = 1)
+
+ # design-based inference
+ estimate("spatial mean", myStratification, mySamplingPattern, myData["observation"])
+ estimate("sampling variance", myStratification, mySamplingPattern, myData["observation"])
+ estimate("standard error", myStratification, mySamplingPattern, myData["observation"])
+ estimate("spatial variance", myStratification, mySamplingPattern, myData["observation"])
+ estimate("scdf", myStratification, mySamplingPattern, myData["observation"])
+ }
Loading required package: rgdal
Loading required package: sp
rgdal: version: 0.8-5, (SVN revision 449)
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 1.9.0, released 2011/12/29
Path to GDAL shared files: /Volumes/XT3/Rdev-web/QA/Simon/packages/leopard-universal/Rlib/2.15/rgdal/gdal
Loaded PROJ.4 runtime: Rel. 4.8.0, 6 March 2012, [PJ_VERSION: 480]
Path to PROJ.4 shared files: /Volumes/XT3/Rdev-web/QA/Simon/packages/leopard-universal/Rlib/2.15/rgdal/proj
OGR data source with driver: ESRI Shapefile
Source: "/Volumes/XT3/Rdev-web/QA/Simon/packages/leopard-universal/results/2.15/spcosa.Rcheck/spcosa/maps", layer: "mijdrecht"
with 1 features and 2 fields
Feature type: wkbPolygon with 2 dimensions
Error in .jfindClass(o) : class not found
Calls: stratify ... stratify -> stratify -> .local -> J -> .jrcall -> .jfindClass
Execution halted
- elapsed time (check, wall clock): 0:57