LEADER 01035nam a2200241 i 4500 001 991003754919707536 008 020 $a9781491910399 035 $ab1438193x-39ule_inst 040 $aDip.to di Storia, Società e Studi sull'Uomo$bita 082 04$a006.312 100 1 $aWickham, Hadley$0475277 245 10$aR for data science :$bimport, tidy, transform, visualize, and model data /$cby Hadley Wickham and Garrett Grolemund 260 $aBeijing :$bO'Reilly,$cc2017 650 4$aElaborazione elettronica$xProgrammazione$xLinguaggio 650 4$aData mining$xProgrammi per elaboratori 700 1 $aGrolemund, Garrett$eauthor$4http://id.loc.gov/vocabulary/relators/aut$0769752 907 $a.b1438193x$b05-02-20$c22-01-20 912 $a991003754919707536 945 $aLE023 006.312 WIC 1 1$g1$i2023000181744$lle023$op$pE46.32$q-$rl$s- $t0$u0$v0$w0$x0$y.i15915967$z22-01-20 996 $aR for Data science$91569658 997 $aUNISALENTO 998 $ale023$b22-01-20$cm$da $e-$fita$gus $h0$i0 LEADER 01482nam 2200397 a 450 001 9910690822403321 005 20010426122831.0 035 $a(CKB)5470000002342112 035 $a(OCoLC)44968027 035 9 $aocm44968027 035 $a(OCoLC)995470000002342112 035 $a(EXLCZ)995470000002342112 100 $a20000908d2000 ua 0 101 0 $aeng 135 $auran|||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAir pollution$b[electronic resource] $estatus of implementation and issues of the Clean Air Act Amendments of 1990 : report to the chairman, Subcommittee on Clean Air, Wetlands, Private Property, and Nuclear Safety, Committee on Environment and Public Works, U.S. Senate /$fUnited States General Accounting Office 210 1$aWashington, D.C. :$cThe Office,$d[2000] 300 $a"B-284843." 300 $a"GAO/RCED-00-72." 300 $aPaper version available from the General Accounting Office. 300 $aTitle from title screen. 320 $aIncludes bibliographical references. 517 $aAir pollution 606 $aAir quality$xGovernment policy$zUnited States 606 $aAir$xPollution$xGovernment policy$zUnited States 615 0$aAir quality$xGovernment policy 615 0$aAir$xPollution$xGovernment policy 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910690822403321 996 $aAir pollution$958916 997 $aUNINA