HDF  HM` TREE HEAPX datadata_descr8 0name pollution (mldata0 @commentThis is the pollution data so loved by writers of papers on ridge regression. Source: McDonald, G.C. and Schwing, R.C. (1973) 'Instabilities of regression estimates relating air pollution to mortality', Technometrics, vol.15, 463- Variables in order: PREC Average annual precipitation in inches JANT Average January temperature in degrees F JULT Same for July OVR65 % of 1960 SMSA population aged 65 or older POPN Average household size EDUC Median school years completed by those over 22 HOUS % of housing units which are sound & with all facilities DENS Population per sq. mile in urbanized areas, 1960 NONW % non-white population in urbanized areas, 1960 WWDRK % employed in white collar occupations POOR % of families with income < $3000 HC Relative hydrocarbon pollution potential NOX Same for nitric oxides SO@ Same for sulphur dioxide HUMID Annual average % relative humidity at 1pm MORT Total age-adjusted mortality rate per 100,000 Information about the dataset CLASSTYPE: numeric CLASSINDEX: none specific 0 TREE HEAPX8P int4int0int2double3double1double5 SNOD <HLSNOD(x h0HX + X4   &!)-8 7i A &  ? #?%  ; B   ;'!H>%@|   ! "}Nl,Y0DV f*1';9687688=;8:9<:6:&;=5=58;<76/9;<@:8:>:68I865<9=GGH8=;<46886:$#,/+5+-$$4!(#%#$*+.'#+ 2<-.6**$%*), "  #-&()--*&-#-*".-(7 5#*C (6! &!' 701(% !!GHJOMPJIFHOLMGKUKIJHUHMHTKQJDGRREIPHQMLHCHMNHOF?D@JHIGNQLFLH 5 ) G\u n4 ] W < \z 1v /z d &m ; (  *[; QP ^%{  <L <L ?@4 4<HLx ?@4 4<#Lx ?@4 4<h+LTREEX. HEAPX(namesorderingtypes0!@ @?;@ffffff8@@C@ @333333@333333 @@3333336@L0@*@ffffff-@333333*@-@(@@/@333333*@'@ffffff@333336@@5@333333/@333333)@333333@333333@333333*@YB@+@333333@@5@!@ffffff?@&@1@333333 @ @@@<@@3333331@@ffffff+@@@333333 @ffffff@#@@fffff9@@333333(@?333333@ffffff'@LE@YI@33333C@I@E@̌E@H@333333D@@E@D@fffffD@33333sF@F@LF@H@I@F@̌J@E@fffff@@ H@F@33333D@I@33333sG@LG@LH@E@33333sH@LE@fffffE@fffffG@F@33333I@ G@fffffF@F@YH@fffffF@F@fffff&I@ffffffC@LC@H@333333G@̌F@I@I@33333I@fffff&K@33333D@@I@33333E@33333G@M@I@fffffG@ffffffF@E@B@ffffff'@,@(@4@,@9@&@%@333333)@ffffff*@3333338@ffffff%@333333.@&@+@0@(@ffffff)@333333+@(@2@(@3@#@fffff1@ffffff*@+@(@(@333331@ffffff:@ffffff6@"@#@8@ffffff(@3333338@(@ffffff*@+@+@ffffff/@333333,@1@%@.@,@(@ffffff#@333333$@(@333333&@333333+@+@$@ffffff*@%@,@-@*@333333 @333333&@$@@ffffff@@%@"@"@#@@333333!@ffffff"@!@ @ffffff@@ffffff @@@333333@"@ffffff@"@ffffff@ffffff!@ffffff"@333333$@ffffff"@ @333333@$@!@ffffff"@ @ffffff$@@ffffff#@333333"@#@&@ffffff%@ffffff&@ffffff @%@"@333333@ffffff"@@333333#@333333%@#@"@&@@@@'@ffffff#@!@Q @Q @Gz @HzG @Q @ @ףp= @RQ @{Gz @zG @Q @ @Gz @RQ @Gz @(\ @ @333333 @Q @= ףp= @(\ @(\ @ @ @ @ףp= @@ ףp= @Q@(\ @Q @ףp= @Gz @= ףp= @(\ @HzG @zG @= ףp=@(\ @(\ @Q@Q @p= ף@(\ @Gz @ףp= @zG@\(\@zG @)\(@Gz @Q @(\ @= ףp= @ @)\( @Q @ @(\ @ףp= @&@&@#@333333&@333333#@ffffff$@333333(@333333%@%@ffffff%@333333#@%@ffffff$@333333&@'@'@&@ffffff(@%@%@&@%@$@'@&@&@(@#@333333(@#@$@'@333333&@333333(@333333$@&@ffffff#@ffffff%@%@333333%@(@333333$@333333#@&@333333&@ffffff#@333333(@ffffff(@ffffff(@ffffff(@333333&@&@ffffff%@$@(@333333(@&@333333&@"@ffffff%@`T@33333S@ffffffT@`S@fffff&U@33333P@T@U@T@33333S@LQ@T@@S@33333U@S@S@yT@ U@U@S@,T@33333T@33333Q@fffffU@S@fffffS@33333S@S@fffffV@YS@ R@fffff&V@YU@fffffT@33333Q@T@333333R@T@U@ffffffS@`T@S@S@S@T@333333S@9V@U@̬V@T@fffffT@S@33333ST@33333sR@`V@@T@̌T@33333S@ S@33333S@)\Ό@/@F@S@-'@Q@5@Zd;@K7O@Ƃ@Cl̏@ףp=@~jS@ώ@ʡE@+@Zd;A@㥛 >@T㥛@ ri@l݋@bX9:@"X@}?5^@Zd;č@QE@FԽ@Cl`@l@Q@Rs@n@33333 @"̊@Pn@Zd;ٌ@vd@w/@w/@Q@rh@T@Gz@^I @h|?R@Gz̍@&1=@S㥛}@/ݵ@'1@ ףp=A@L7A`@ʡEc@V-@Cl>@'1@t\@!rh@K7~@K7Ӎ@H5LSNODH-/ 0H6`L6LH=H=H= H=H= H= H= H= H=H=H=H=H=H=H=H=H=H=H=H=H=H=H=&H=%H=#H=$H=H= H=!H="H=H=H=H=H=H=H=H=GCOLNONWWWDRKPOORHCNOXSO2HUMIDMORT POPN EDUC HOUS DENS JULTOVR65JANTPRECdouble3int4double5int2double1int0numericnumericnumericnumericnumericnumericnumericnumericnumeric numeric!numeric"numeric#numeric$numeric%numeric&numeric`