Hi, I have below data dat2 = c("-24.437285333333300", "4.850695000000000", "-1.918495666666670", "2.641818000000000", "6.777527666666670", "3.208084000000000", "4.193287666666670", "0.378257666666667", "4.658955000000000", "?-9.881474000000000") Now when I try to convert this data to numeric, I got NA as below> as.numeric(dat2)[1] -24.4372853 4.8506950 -1.9184957 2.6418180 6.7775277 3.2080840 [7] 4.1932877 0.3782577 4.6589550 NA Could you please help to understand why I get NA for the last value?> sessionInfo()R version 4.4.0 (2024-04-24) Platform: aarch64-apple-darwin20 Running under: macOS 15.3.1 Matrix products: default BLAS: /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/lib/libRblas.0.dylib LAPACK: /Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/lib/libRlapack.dylib; LAPACK version 3.12.0 locale: [1] C/UTF-8/C/C/C/C time zone: Asia tzcode source: internal attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] compiler_4.4.0
? Mon, 3 Mar 2025 12:08:43 +0530 Christofer Bogaso <bogaso.christofer at gmail.com> ?????:> dat2 = c("-24.437285333333300", "4.850695000000000", > "-1.918495666666670", > > "2.641818000000000", "6.777527666666670", "3.208084000000000", > > "4.193287666666670", "0.378257666666667", "4.658955000000000", > > "?-9.881474000000000") > > Now when I try to convert this data to numeric, I got NA as below > > > as.numeric(dat2) > > [1] -24.4372853 4.8506950 -1.9184957 2.6418180 6.7775277 > 3.2080840 > > [7] 4.1932877 0.3782577 4.6589550 NAThere's an invisible Unicode character in there, U+FEFF ZERO WIDTH NO-BREAK SPACE:> dat2 |> tail(1) |> tools::showNonASCII()1: <ef><bb><bf>-9.881474000000000 Try as.numeric(gsub('\ufeff', '', dat2)). -- Best regards, Ivan