* using log directory 'd:/Rcompile/CRANpkg/local/4.2/pipenostics.Rcheck'
* using R version 4.2.3 (2023-03-15 ucrt)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: UTF-8
* checking for file 'pipenostics/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'pipenostics' version '0.2.0'
* 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 'pipenostics' 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 ... 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 ... [8s] OK
* checking Rd files ... [2s] 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 contents of 'data' directory ... OK
* checking data for non-ASCII characters ... OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking R/sysdata.rda ... OK
* checking examples ... [8s] ERROR
Running examples in 'pipenostics-Ex.R' failed
The error most likely occurred in:

> ### Name: mgtdhid
> ### Title: Get ground temperature
> ### Aliases: mgtdhid mgtdhidt mgtdhgeo mgtdhgeot
> 
> ### ** Examples
> 
>  # Let consider the next geographical positions:
>  lat <- c(s28434 = 56.65, s28418 = 56.47, s23711 = 62.70, ControlPoint = 57)
>  lon <- c(s28434 = 57.78, s28418 = 53.73, s23711 = 56.20, ControlPoint = 57)
>  
>  # * ground temperatures at first three locations on 02 March 2023 at depth 3 m:
>  mgtdhgeo(head(lat, 3), head(lon, 3), tau = as.POSIXct("2023-03-02"), depth = 3)
[1] 4.181937 4.765521 2.928400
> 
>  # * it is the same as obtaining ground temperatures from weather stations:
>  mgtdhid(id = c(28434L, 28418L, 23711L), tau = as.POSIXct("2023-03-02"), depth = 3)
[1] 4.181937 4.765521 2.928400
> 
>  # * undisturbed ground temperature plot at Control Point:
>  days <- as.POSIXct("2023-01-01") + 3600*24*(seq.int(1, 365) - 1)
>  plot(
+    days, 
+    mgtdhgeot(days, lat[["ControlPoint"]], lon[["ControlPoint"]]), 
+    type = "l", 
+    ylab = "Temperature, °C"
+  )
Error in mgtdhgeot(days, lat[["ControlPoint"]], lon[["ControlPoint"]]) : 
  Assertion on 'tau' failed: Element 1 is not >= 0.
Calls: plot ... xy.coords -> mgtdhgeot -> <Anonymous> -> makeAssertion -> mstop
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [71s] OK
  Running 'testthat.R' [70s]
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR