• using R Under development (unstable) (2026-07-13 r90246)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)     GNU Fortran (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2)
• running under: Fedora Linux 44 (Server Edition)
• using session charset: UTF-8 * current time: 2026-07-13 22:13:25 UTC
• using option ‘--no-stop-on-test-error’
• checking for file ‘FlexParamCurve/DESCRIPTION’ ... OK
• this is package ‘FlexParamCurve’ version ‘1.5-7’
• 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 executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘FlexParamCurve’ can be installed ... OK See the install log for details.
• 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 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 ... [14s/15s] OK
• 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 contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking examples ... ERROR Running examples in ‘FlexParamCurve-Ex.R’ failed The error most likely occurred in: > ### Name: extraF.nls > ### Title: Compare Two nls Models Using Extra Sum-of-Squares F-Tests > ### Aliases: extraF.nls > > ### ** Examples > > > > #fit and compare two nested nls models (7 vs 8 parameter models) > > > #create list for fixed parameters > > > modpar(posneg.data$age, posneg.data$mass, pn.options = "myoptions") [1] modpar will attempt to parameterize your data using the following sequential procedures: [1] (1) Extract parameter estimates for 8-parameter double-Richards curve in nls [1] (2) Use getInitial to retrieve parameter estimates for 8-parameter double-Richards curve [1] (3) Extract parameter estimates for 4-parameter Richards curve in [1] (4) Use getInitial to retrieve parameter estimates for 4-parameter Richards curve [1] if any approaches are successful, modpar will return these and terminate at that stage [1] [1] (1) Status of 8-parameter double-Richards curve fit in nls: [1] ....8 parameter nls fit failed [1] (2) Status of 8-parameter double-Richards getInitial call [1] ....8-parameter getInitial successful $Asym [1] 4427.343 $K [1] 0.07040843 $Infl [1] 30.13159 $M [1] 0.9867801 $RAsym [1] -1136.717 $Rk [1] 0.2112253 $Ri [1] 108.0177 $RM [1] 0.8085435 Warning messages: 1: In reorder(upper) :   different names for ‘start’ and ‘upper’: not reordering to match 2: In reorder(upper) :   different names for ‘start’ and ‘upper’: not reordering to match 3: In reorder(upper) :   different names for ‘start’ and ‘upper’: not reordering to match > > > richardsR1.nls <- nls(mass ~ SSposnegRichards(age, Asym = Asym, K = K, + + + Infl = Infl, M = M, RAsym = RAsym, Rk = Rk, Ri = Ri, RM = RM, modno = 1, pn.options = myoptions) + + + , data = posneg.data) Error in nls(mass ~ SSposnegRichards(age, Asym = Asym, K = K, Infl = Infl, :   singular gradient In addition: Warning message: In reorder(upper) :   different names for ‘start’ and ‘upper’: not reordering to match Execution halted
• checking PDF version of manual ... OK
• checking HTML version of manual ... OK
• checking for non-standard things in the check directory ... OK
• checking for detritus in the temp directory ... OK
• DONE

Status: 1 ERROR