data("VADeaths")

if (!is.data.frame(VADeaths)) {
  VADeaths <- data.frame(VADeaths)
}

VADeaths$Total <- rowSums(VADeaths)

VADeaths <- VADeaths[, c("Total", names(VADeaths)[1:4])]

print(VADeaths)
##       Total Rural.Male Rural.Female Urban.Male Urban.Female
## 50-54  44.2       11.7          8.7       15.4          8.4
## 55-59  67.7       18.1         11.7       24.3         13.6
## 60-64 103.5       26.9         20.3       37.0         19.3
## 65-69 161.6       41.0         30.9       54.6         35.1
## 70-74 241.4       66.0         54.3       71.1         50.0
if (!is.data.frame(state.x77)) {
  state.x77 <- data.frame(state.x77)
}

low_income_states <- state.x77[state.x77$Income < 4300, ]


print(low_income_states)
##                Population Income Illiteracy Life.Exp Murder HS.Grad Frost
## Alabama              3615   3624        2.1    69.05   15.1    41.3    20
## Arkansas             2110   3378        1.9    70.66   10.1    39.9    65
## Georgia              4931   4091        2.0    68.54   13.9    40.6    60
## Idaho                 813   4119        0.6    71.87    5.3    59.5   126
## Kentucky             3387   3712        1.6    70.10   10.6    38.5    95
## Louisiana            3806   3545        2.8    68.76   13.2    42.2    12
## Maine                1058   3694        0.7    70.39    2.7    54.7   161
## Mississippi          2341   3098        2.4    68.09   12.5    41.0    50
## Missouri             4767   4254        0.8    70.69    9.3    48.8   108
## New Hampshire         812   4281        0.7    71.23    3.3    57.6   174
## New Mexico           1144   3601        2.2    70.32    9.7    55.2   120
## North Carolina       5441   3875        1.8    69.21   11.1    38.5    80
## Oklahoma             2715   3983        1.1    71.42    6.4    51.6    82
## South Carolina       2816   3635        2.3    67.96   11.6    37.8    65
## South Dakota          681   4167        0.5    72.08    1.7    53.3   172
## Tennessee            4173   3821        1.7    70.11   11.0    41.8    70
## Texas               12237   4188        2.2    70.90   12.2    47.4    35
## Utah                 1203   4022        0.6    72.90    4.5    67.3   137
## Vermont               472   3907        0.6    71.64    5.5    57.1   168
## West Virginia        1799   3617        1.4    69.48    6.7    41.6   100
##                  Area
## Alabama         50708
## Arkansas        51945
## Georgia         58073
## Idaho           82677
## Kentucky        39650
## Louisiana       44930
## Maine           30920
## Mississippi     47296
## Missouri        68995
## New Hampshire    9027
## New Mexico     121412
## North Carolina  48798
## Oklahoma        68782
## South Carolina  30225
## South Dakota    75955
## Tennessee       41328
## Texas          262134
## Utah            82096
## Vermont          9267
## West Virginia   24070
data("swiss")


selected_rows <- swiss[c(1, 2, 3, 10, 11, 12, 13), c("Examination", "Education", "Infant.Mortality")]


selected_rows$Infant.Mortality[selected_rows$Infant.Mortality == 16.5] <- 2


total_row <- colSums(selected_rows, na.rm = TRUE)  # Include NA values
selected_rows_total <- rbind(selected_rows, Total = total_row)

selected_rows_total[, "Proportion"] <- selected_rows_total$Examination / selected_rows_total$Total


selected_rows_total
##              Examination Education Infant.Mortality Proportion
## Courtelary            15        12             22.2         NA
## Delemont               6         9             22.2         NA
## Franches-Mnt           5         5             20.2         NA
## Sarine                16        13             24.4         NA
## Veveyse               14         6             24.5         NA
## Aigle                 21        12              2.0         NA
## Aubonne               14         7             19.1         NA
## Total                 91        64            134.6         NA
data("state")

state_df <- data.frame(state.abb, state.area, state.division, state.name, state.region)
rownames(state_df) <- state_df$state.name 

state_df$state.name <- NULL

state_df
##                state.abb state.area     state.division  state.region
## Alabama               AL      51609 East South Central         South
## Alaska                AK     589757            Pacific          West
## Arizona               AZ     113909           Mountain          West
## Arkansas              AR      53104 West South Central         South
## California            CA     158693            Pacific          West
## Colorado              CO     104247           Mountain          West
## Connecticut           CT       5009        New England     Northeast
## Delaware              DE       2057     South Atlantic         South
## Florida               FL      58560     South Atlantic         South
## Georgia               GA      58876     South Atlantic         South
## Hawaii                HI       6450            Pacific          West
## Idaho                 ID      83557           Mountain          West
## Illinois              IL      56400 East North Central North Central
## Indiana               IN      36291 East North Central North Central
## Iowa                  IA      56290 West North Central North Central
## Kansas                KS      82264 West North Central North Central
## Kentucky              KY      40395 East South Central         South
## Louisiana             LA      48523 West South Central         South
## Maine                 ME      33215        New England     Northeast
## Maryland              MD      10577     South Atlantic         South
## Massachusetts         MA       8257        New England     Northeast
## Michigan              MI      58216 East North Central North Central
## Minnesota             MN      84068 West North Central North Central
## Mississippi           MS      47716 East South Central         South
## Missouri              MO      69686 West North Central North Central
## Montana               MT     147138           Mountain          West
## Nebraska              NE      77227 West North Central North Central
## Nevada                NV     110540           Mountain          West
## New Hampshire         NH       9304        New England     Northeast
## New Jersey            NJ       7836    Middle Atlantic     Northeast
## New Mexico            NM     121666           Mountain          West
## New York              NY      49576    Middle Atlantic     Northeast
## North Carolina        NC      52586     South Atlantic         South
## North Dakota          ND      70665 West North Central North Central
## Ohio                  OH      41222 East North Central North Central
## Oklahoma              OK      69919 West South Central         South
## Oregon                OR      96981            Pacific          West
## Pennsylvania          PA      45333    Middle Atlantic     Northeast
## Rhode Island          RI       1214        New England     Northeast
## South Carolina        SC      31055     South Atlantic         South
## South Dakota          SD      77047 West North Central North Central
## Tennessee             TN      42244 East South Central         South
## Texas                 TX     267339 West South Central         South
## Utah                  UT      84916           Mountain          West
## Vermont               VT       9609        New England     Northeast
## Virginia              VA      40815     South Atlantic         South
## Washington            WA      68192            Pacific          West
## West Virginia         WV      24181     South Atlantic         South
## Wisconsin             WI      56154 East North Central North Central
## Wyoming               WY      97914           Mountain          West
data("state.x77")
## Warning in data("state.x77"): data set 'state.x77' not found
state_x77_combined <- cbind(state.x77, state_df)

state_x77_combined
##                Population Income Illiteracy Life Exp Murder HS Grad Frost
## Alabama              3615   3624        2.1    69.05   15.1    41.3    20
## Alaska                365   6315        1.5    69.31   11.3    66.7   152
## Arizona              2212   4530        1.8    70.55    7.8    58.1    15
## Arkansas             2110   3378        1.9    70.66   10.1    39.9    65
## California          21198   5114        1.1    71.71   10.3    62.6    20
## Colorado             2541   4884        0.7    72.06    6.8    63.9   166
## Connecticut          3100   5348        1.1    72.48    3.1    56.0   139
## Delaware              579   4809        0.9    70.06    6.2    54.6   103
## Florida              8277   4815        1.3    70.66   10.7    52.6    11
## Georgia              4931   4091        2.0    68.54   13.9    40.6    60
## Hawaii                868   4963        1.9    73.60    6.2    61.9     0
## Idaho                 813   4119        0.6    71.87    5.3    59.5   126
## Illinois            11197   5107        0.9    70.14   10.3    52.6   127
## Indiana              5313   4458        0.7    70.88    7.1    52.9   122
## Iowa                 2861   4628        0.5    72.56    2.3    59.0   140
## Kansas               2280   4669        0.6    72.58    4.5    59.9   114
## Kentucky             3387   3712        1.6    70.10   10.6    38.5    95
## Louisiana            3806   3545        2.8    68.76   13.2    42.2    12
## Maine                1058   3694        0.7    70.39    2.7    54.7   161
## Maryland             4122   5299        0.9    70.22    8.5    52.3   101
## Massachusetts        5814   4755        1.1    71.83    3.3    58.5   103
## Michigan             9111   4751        0.9    70.63   11.1    52.8   125
## Minnesota            3921   4675        0.6    72.96    2.3    57.6   160
## Mississippi          2341   3098        2.4    68.09   12.5    41.0    50
## Missouri             4767   4254        0.8    70.69    9.3    48.8   108
## Montana               746   4347        0.6    70.56    5.0    59.2   155
## Nebraska             1544   4508        0.6    72.60    2.9    59.3   139
## Nevada                590   5149        0.5    69.03   11.5    65.2   188
## New Hampshire         812   4281        0.7    71.23    3.3    57.6   174
## New Jersey           7333   5237        1.1    70.93    5.2    52.5   115
## New Mexico           1144   3601        2.2    70.32    9.7    55.2   120
## New York            18076   4903        1.4    70.55   10.9    52.7    82
## North Carolina       5441   3875        1.8    69.21   11.1    38.5    80
## North Dakota          637   5087        0.8    72.78    1.4    50.3   186
## Ohio                10735   4561        0.8    70.82    7.4    53.2   124
## Oklahoma             2715   3983        1.1    71.42    6.4    51.6    82
## Oregon               2284   4660        0.6    72.13    4.2    60.0    44
## Pennsylvania        11860   4449        1.0    70.43    6.1    50.2   126
## Rhode Island          931   4558        1.3    71.90    2.4    46.4   127
## South Carolina       2816   3635        2.3    67.96   11.6    37.8    65
## South Dakota          681   4167        0.5    72.08    1.7    53.3   172
## Tennessee            4173   3821        1.7    70.11   11.0    41.8    70
## Texas               12237   4188        2.2    70.90   12.2    47.4    35
## Utah                 1203   4022        0.6    72.90    4.5    67.3   137
## Vermont               472   3907        0.6    71.64    5.5    57.1   168
## Virginia             4981   4701        1.4    70.08    9.5    47.8    85
## Washington           3559   4864        0.6    71.72    4.3    63.5    32
## West Virginia        1799   3617        1.4    69.48    6.7    41.6   100
## Wisconsin            4589   4468        0.7    72.48    3.0    54.5   149
## Wyoming               376   4566        0.6    70.29    6.9    62.9   173
##                  Area state.abb state.area     state.division  state.region
## Alabama         50708        AL      51609 East South Central         South
## Alaska         566432        AK     589757            Pacific          West
## Arizona        113417        AZ     113909           Mountain          West
## Arkansas        51945        AR      53104 West South Central         South
## California     156361        CA     158693            Pacific          West
## Colorado       103766        CO     104247           Mountain          West
## Connecticut      4862        CT       5009        New England     Northeast
## Delaware         1982        DE       2057     South Atlantic         South
## Florida         54090        FL      58560     South Atlantic         South
## Georgia         58073        GA      58876     South Atlantic         South
## Hawaii           6425        HI       6450            Pacific          West
## Idaho           82677        ID      83557           Mountain          West
## Illinois        55748        IL      56400 East North Central North Central
## Indiana         36097        IN      36291 East North Central North Central
## Iowa            55941        IA      56290 West North Central North Central
## Kansas          81787        KS      82264 West North Central North Central
## Kentucky        39650        KY      40395 East South Central         South
## Louisiana       44930        LA      48523 West South Central         South
## Maine           30920        ME      33215        New England     Northeast
## Maryland         9891        MD      10577     South Atlantic         South
## Massachusetts    7826        MA       8257        New England     Northeast
## Michigan        56817        MI      58216 East North Central North Central
## Minnesota       79289        MN      84068 West North Central North Central
## Mississippi     47296        MS      47716 East South Central         South
## Missouri        68995        MO      69686 West North Central North Central
## Montana        145587        MT     147138           Mountain          West
## Nebraska        76483        NE      77227 West North Central North Central
## Nevada         109889        NV     110540           Mountain          West
## New Hampshire    9027        NH       9304        New England     Northeast
## New Jersey       7521        NJ       7836    Middle Atlantic     Northeast
## New Mexico     121412        NM     121666           Mountain          West
## New York        47831        NY      49576    Middle Atlantic     Northeast
## North Carolina  48798        NC      52586     South Atlantic         South
## North Dakota    69273        ND      70665 West North Central North Central
## Ohio            40975        OH      41222 East North Central North Central
## Oklahoma        68782        OK      69919 West South Central         South
## Oregon          96184        OR      96981            Pacific          West
## Pennsylvania    44966        PA      45333    Middle Atlantic     Northeast
## Rhode Island     1049        RI       1214        New England     Northeast
## South Carolina  30225        SC      31055     South Atlantic         South
## South Dakota    75955        SD      77047 West North Central North Central
## Tennessee       41328        TN      42244 East South Central         South
## Texas          262134        TX     267339 West South Central         South
## Utah            82096        UT      84916           Mountain          West
## Vermont          9267        VT       9609        New England     Northeast
## Virginia        39780        VA      40815     South Atlantic         South
## Washington      66570        WA      68192            Pacific          West
## West Virginia   24070        WV      24181     South Atlantic         South
## Wisconsin       54464        WI      56154 East North Central North Central
## Wyoming         97203        WY      97914           Mountain          West
state_x77_combined$state.division <- NULL

state_x77_combined
##                Population Income Illiteracy Life Exp Murder HS Grad Frost
## Alabama              3615   3624        2.1    69.05   15.1    41.3    20
## Alaska                365   6315        1.5    69.31   11.3    66.7   152
## Arizona              2212   4530        1.8    70.55    7.8    58.1    15
## Arkansas             2110   3378        1.9    70.66   10.1    39.9    65
## California          21198   5114        1.1    71.71   10.3    62.6    20
## Colorado             2541   4884        0.7    72.06    6.8    63.9   166
## Connecticut          3100   5348        1.1    72.48    3.1    56.0   139
## Delaware              579   4809        0.9    70.06    6.2    54.6   103
## Florida              8277   4815        1.3    70.66   10.7    52.6    11
## Georgia              4931   4091        2.0    68.54   13.9    40.6    60
## Hawaii                868   4963        1.9    73.60    6.2    61.9     0
## Idaho                 813   4119        0.6    71.87    5.3    59.5   126
## Illinois            11197   5107        0.9    70.14   10.3    52.6   127
## Indiana              5313   4458        0.7    70.88    7.1    52.9   122
## Iowa                 2861   4628        0.5    72.56    2.3    59.0   140
## Kansas               2280   4669        0.6    72.58    4.5    59.9   114
## Kentucky             3387   3712        1.6    70.10   10.6    38.5    95
## Louisiana            3806   3545        2.8    68.76   13.2    42.2    12
## Maine                1058   3694        0.7    70.39    2.7    54.7   161
## Maryland             4122   5299        0.9    70.22    8.5    52.3   101
## Massachusetts        5814   4755        1.1    71.83    3.3    58.5   103
## Michigan             9111   4751        0.9    70.63   11.1    52.8   125
## Minnesota            3921   4675        0.6    72.96    2.3    57.6   160
## Mississippi          2341   3098        2.4    68.09   12.5    41.0    50
## Missouri             4767   4254        0.8    70.69    9.3    48.8   108
## Montana               746   4347        0.6    70.56    5.0    59.2   155
## Nebraska             1544   4508        0.6    72.60    2.9    59.3   139
## Nevada                590   5149        0.5    69.03   11.5    65.2   188
## New Hampshire         812   4281        0.7    71.23    3.3    57.6   174
## New Jersey           7333   5237        1.1    70.93    5.2    52.5   115
## New Mexico           1144   3601        2.2    70.32    9.7    55.2   120
## New York            18076   4903        1.4    70.55   10.9    52.7    82
## North Carolina       5441   3875        1.8    69.21   11.1    38.5    80
## North Dakota          637   5087        0.8    72.78    1.4    50.3   186
## Ohio                10735   4561        0.8    70.82    7.4    53.2   124
## Oklahoma             2715   3983        1.1    71.42    6.4    51.6    82
## Oregon               2284   4660        0.6    72.13    4.2    60.0    44
## Pennsylvania        11860   4449        1.0    70.43    6.1    50.2   126
## Rhode Island          931   4558        1.3    71.90    2.4    46.4   127
## South Carolina       2816   3635        2.3    67.96   11.6    37.8    65
## South Dakota          681   4167        0.5    72.08    1.7    53.3   172
## Tennessee            4173   3821        1.7    70.11   11.0    41.8    70
## Texas               12237   4188        2.2    70.90   12.2    47.4    35
## Utah                 1203   4022        0.6    72.90    4.5    67.3   137
## Vermont               472   3907        0.6    71.64    5.5    57.1   168
## Virginia             4981   4701        1.4    70.08    9.5    47.8    85
## Washington           3559   4864        0.6    71.72    4.3    63.5    32
## West Virginia        1799   3617        1.4    69.48    6.7    41.6   100
## Wisconsin            4589   4468        0.7    72.48    3.0    54.5   149
## Wyoming               376   4566        0.6    70.29    6.9    62.9   173
##                  Area state.abb state.area  state.region
## Alabama         50708        AL      51609         South
## Alaska         566432        AK     589757          West
## Arizona        113417        AZ     113909          West
## Arkansas        51945        AR      53104         South
## California     156361        CA     158693          West
## Colorado       103766        CO     104247          West
## Connecticut      4862        CT       5009     Northeast
## Delaware         1982        DE       2057         South
## Florida         54090        FL      58560         South
## Georgia         58073        GA      58876         South
## Hawaii           6425        HI       6450          West
## Idaho           82677        ID      83557          West
## Illinois        55748        IL      56400 North Central
## Indiana         36097        IN      36291 North Central
## Iowa            55941        IA      56290 North Central
## Kansas          81787        KS      82264 North Central
## Kentucky        39650        KY      40395         South
## Louisiana       44930        LA      48523         South
## Maine           30920        ME      33215     Northeast
## Maryland         9891        MD      10577         South
## Massachusetts    7826        MA       8257     Northeast
## Michigan        56817        MI      58216 North Central
## Minnesota       79289        MN      84068 North Central
## Mississippi     47296        MS      47716         South
## Missouri        68995        MO      69686 North Central
## Montana        145587        MT     147138          West
## Nebraska        76483        NE      77227 North Central
## Nevada         109889        NV     110540          West
## New Hampshire    9027        NH       9304     Northeast
## New Jersey       7521        NJ       7836     Northeast
## New Mexico     121412        NM     121666          West
## New York        47831        NY      49576     Northeast
## North Carolina  48798        NC      52586         South
## North Dakota    69273        ND      70665 North Central
## Ohio            40975        OH      41222 North Central
## Oklahoma        68782        OK      69919         South
## Oregon          96184        OR      96981          West
## Pennsylvania    44966        PA      45333     Northeast
## Rhode Island     1049        RI       1214     Northeast
## South Carolina  30225        SC      31055         South
## South Dakota    75955        SD      77047 North Central
## Tennessee       41328        TN      42244         South
## Texas          262134        TX     267339         South
## Utah            82096        UT      84916          West
## Vermont          9267        VT       9609     Northeast
## Virginia        39780        VA      40815         South
## Washington      66570        WA      68192          West
## West Virginia   24070        WV      24181         South
## Wisconsin       54464        WI      56154 North Central
## Wyoming         97203        WY      97914          West
state_x77_combined$Life.Exp <- NULL
state_x77_combined$H.S.Grad <- NULL
state_x77_combined$Frost <- NULL
state_x77_combined$state.abb <- NULL
state_x77_combined$state.area <- NULL

state_x77_combined
##                Population Income Illiteracy Life Exp Murder HS Grad   Area
## Alabama              3615   3624        2.1    69.05   15.1    41.3  50708
## Alaska                365   6315        1.5    69.31   11.3    66.7 566432
## Arizona              2212   4530        1.8    70.55    7.8    58.1 113417
## Arkansas             2110   3378        1.9    70.66   10.1    39.9  51945
## California          21198   5114        1.1    71.71   10.3    62.6 156361
## Colorado             2541   4884        0.7    72.06    6.8    63.9 103766
## Connecticut          3100   5348        1.1    72.48    3.1    56.0   4862
## Delaware              579   4809        0.9    70.06    6.2    54.6   1982
## Florida              8277   4815        1.3    70.66   10.7    52.6  54090
## Georgia              4931   4091        2.0    68.54   13.9    40.6  58073
## Hawaii                868   4963        1.9    73.60    6.2    61.9   6425
## Idaho                 813   4119        0.6    71.87    5.3    59.5  82677
## Illinois            11197   5107        0.9    70.14   10.3    52.6  55748
## Indiana              5313   4458        0.7    70.88    7.1    52.9  36097
## Iowa                 2861   4628        0.5    72.56    2.3    59.0  55941
## Kansas               2280   4669        0.6    72.58    4.5    59.9  81787
## Kentucky             3387   3712        1.6    70.10   10.6    38.5  39650
## Louisiana            3806   3545        2.8    68.76   13.2    42.2  44930
## Maine                1058   3694        0.7    70.39    2.7    54.7  30920
## Maryland             4122   5299        0.9    70.22    8.5    52.3   9891
## Massachusetts        5814   4755        1.1    71.83    3.3    58.5   7826
## Michigan             9111   4751        0.9    70.63   11.1    52.8  56817
## Minnesota            3921   4675        0.6    72.96    2.3    57.6  79289
## Mississippi          2341   3098        2.4    68.09   12.5    41.0  47296
## Missouri             4767   4254        0.8    70.69    9.3    48.8  68995
## Montana               746   4347        0.6    70.56    5.0    59.2 145587
## Nebraska             1544   4508        0.6    72.60    2.9    59.3  76483
## Nevada                590   5149        0.5    69.03   11.5    65.2 109889
## New Hampshire         812   4281        0.7    71.23    3.3    57.6   9027
## New Jersey           7333   5237        1.1    70.93    5.2    52.5   7521
## New Mexico           1144   3601        2.2    70.32    9.7    55.2 121412
## New York            18076   4903        1.4    70.55   10.9    52.7  47831
## North Carolina       5441   3875        1.8    69.21   11.1    38.5  48798
## North Dakota          637   5087        0.8    72.78    1.4    50.3  69273
## Ohio                10735   4561        0.8    70.82    7.4    53.2  40975
## Oklahoma             2715   3983        1.1    71.42    6.4    51.6  68782
## Oregon               2284   4660        0.6    72.13    4.2    60.0  96184
## Pennsylvania        11860   4449        1.0    70.43    6.1    50.2  44966
## Rhode Island          931   4558        1.3    71.90    2.4    46.4   1049
## South Carolina       2816   3635        2.3    67.96   11.6    37.8  30225
## South Dakota          681   4167        0.5    72.08    1.7    53.3  75955
## Tennessee            4173   3821        1.7    70.11   11.0    41.8  41328
## Texas               12237   4188        2.2    70.90   12.2    47.4 262134
## Utah                 1203   4022        0.6    72.90    4.5    67.3  82096
## Vermont               472   3907        0.6    71.64    5.5    57.1   9267
## Virginia             4981   4701        1.4    70.08    9.5    47.8  39780
## Washington           3559   4864        0.6    71.72    4.3    63.5  66570
## West Virginia        1799   3617        1.4    69.48    6.7    41.6  24070
## Wisconsin            4589   4468        0.7    72.48    3.0    54.5  54464
## Wyoming               376   4566        0.6    70.29    6.9    62.9  97203
##                 state.region
## Alabama                South
## Alaska                  West
## Arizona                 West
## Arkansas               South
## California              West
## Colorado                West
## Connecticut        Northeast
## Delaware               South
## Florida                South
## Georgia                South
## Hawaii                  West
## Idaho                   West
## Illinois       North Central
## Indiana        North Central
## Iowa           North Central
## Kansas         North Central
## Kentucky               South
## Louisiana              South
## Maine              Northeast
## Maryland               South
## Massachusetts      Northeast
## Michigan       North Central
## Minnesota      North Central
## Mississippi            South
## Missouri       North Central
## Montana                 West
## Nebraska       North Central
## Nevada                  West
## New Hampshire      Northeast
## New Jersey         Northeast
## New Mexico              West
## New York           Northeast
## North Carolina         South
## North Dakota   North Central
## Ohio           North Central
## Oklahoma               South
## Oregon                  West
## Pennsylvania       Northeast
## Rhode Island       Northeast
## South Carolina         South
## South Dakota   North Central
## Tennessee              South
## Texas                  South
## Utah                    West
## Vermont            Northeast
## Virginia               South
## Washington              West
## West Virginia          South
## Wisconsin      North Central
## Wyoming                 West
state_x77_combined$Illiteracy.Level <- cut(state_x77_combined$Illiteracy,
                                           breaks = c(0, 1, 2, Inf),
                                           labels = c("Low", "Some", "High"),
                                           right = FALSE)

state_x77_combined
##                Population Income Illiteracy Life Exp Murder HS Grad   Area
## Alabama              3615   3624        2.1    69.05   15.1    41.3  50708
## Alaska                365   6315        1.5    69.31   11.3    66.7 566432
## Arizona              2212   4530        1.8    70.55    7.8    58.1 113417
## Arkansas             2110   3378        1.9    70.66   10.1    39.9  51945
## California          21198   5114        1.1    71.71   10.3    62.6 156361
## Colorado             2541   4884        0.7    72.06    6.8    63.9 103766
## Connecticut          3100   5348        1.1    72.48    3.1    56.0   4862
## Delaware              579   4809        0.9    70.06    6.2    54.6   1982
## Florida              8277   4815        1.3    70.66   10.7    52.6  54090
## Georgia              4931   4091        2.0    68.54   13.9    40.6  58073
## Hawaii                868   4963        1.9    73.60    6.2    61.9   6425
## Idaho                 813   4119        0.6    71.87    5.3    59.5  82677
## Illinois            11197   5107        0.9    70.14   10.3    52.6  55748
## Indiana              5313   4458        0.7    70.88    7.1    52.9  36097
## Iowa                 2861   4628        0.5    72.56    2.3    59.0  55941
## Kansas               2280   4669        0.6    72.58    4.5    59.9  81787
## Kentucky             3387   3712        1.6    70.10   10.6    38.5  39650
## Louisiana            3806   3545        2.8    68.76   13.2    42.2  44930
## Maine                1058   3694        0.7    70.39    2.7    54.7  30920
## Maryland             4122   5299        0.9    70.22    8.5    52.3   9891
## Massachusetts        5814   4755        1.1    71.83    3.3    58.5   7826
## Michigan             9111   4751        0.9    70.63   11.1    52.8  56817
## Minnesota            3921   4675        0.6    72.96    2.3    57.6  79289
## Mississippi          2341   3098        2.4    68.09   12.5    41.0  47296
## Missouri             4767   4254        0.8    70.69    9.3    48.8  68995
## Montana               746   4347        0.6    70.56    5.0    59.2 145587
## Nebraska             1544   4508        0.6    72.60    2.9    59.3  76483
## Nevada                590   5149        0.5    69.03   11.5    65.2 109889
## New Hampshire         812   4281        0.7    71.23    3.3    57.6   9027
## New Jersey           7333   5237        1.1    70.93    5.2    52.5   7521
## New Mexico           1144   3601        2.2    70.32    9.7    55.2 121412
## New York            18076   4903        1.4    70.55   10.9    52.7  47831
## North Carolina       5441   3875        1.8    69.21   11.1    38.5  48798
## North Dakota          637   5087        0.8    72.78    1.4    50.3  69273
## Ohio                10735   4561        0.8    70.82    7.4    53.2  40975
## Oklahoma             2715   3983        1.1    71.42    6.4    51.6  68782
## Oregon               2284   4660        0.6    72.13    4.2    60.0  96184
## Pennsylvania        11860   4449        1.0    70.43    6.1    50.2  44966
## Rhode Island          931   4558        1.3    71.90    2.4    46.4   1049
## South Carolina       2816   3635        2.3    67.96   11.6    37.8  30225
## South Dakota          681   4167        0.5    72.08    1.7    53.3  75955
## Tennessee            4173   3821        1.7    70.11   11.0    41.8  41328
## Texas               12237   4188        2.2    70.90   12.2    47.4 262134
## Utah                 1203   4022        0.6    72.90    4.5    67.3  82096
## Vermont               472   3907        0.6    71.64    5.5    57.1   9267
## Virginia             4981   4701        1.4    70.08    9.5    47.8  39780
## Washington           3559   4864        0.6    71.72    4.3    63.5  66570
## West Virginia        1799   3617        1.4    69.48    6.7    41.6  24070
## Wisconsin            4589   4468        0.7    72.48    3.0    54.5  54464
## Wyoming               376   4566        0.6    70.29    6.9    62.9  97203
##                 state.region Illiteracy.Level
## Alabama                South             High
## Alaska                  West             Some
## Arizona                 West             Some
## Arkansas               South             Some
## California              West             Some
## Colorado                West              Low
## Connecticut        Northeast             Some
## Delaware               South              Low
## Florida                South             Some
## Georgia                South             High
## Hawaii                  West             Some
## Idaho                   West              Low
## Illinois       North Central              Low
## Indiana        North Central              Low
## Iowa           North Central              Low
## Kansas         North Central              Low
## Kentucky               South             Some
## Louisiana              South             High
## Maine              Northeast              Low
## Maryland               South              Low
## Massachusetts      Northeast             Some
## Michigan       North Central              Low
## Minnesota      North Central              Low
## Mississippi            South             High
## Missouri       North Central              Low
## Montana                 West              Low
## Nebraska       North Central              Low
## Nevada                  West              Low
## New Hampshire      Northeast              Low
## New Jersey         Northeast             Some
## New Mexico              West             High
## New York           Northeast             Some
## North Carolina         South             Some
## North Dakota   North Central              Low
## Ohio           North Central              Low
## Oklahoma               South             Some
## Oregon                  West              Low
## Pennsylvania       Northeast             Some
## Rhode Island       Northeast             Some
## South Carolina         South             High
## South Dakota   North Central              Low
## Tennessee              South             Some
## Texas                  South             High
## Utah                    West              Low
## Vermont            Northeast              Low
## Virginia               South             Some
## Washington              West              Low
## West Virginia          South             Some
## Wisconsin      North Central              Low
## Wyoming                 West              Low
west_low_illiteracy <- subset(state_x77_combined, state.region == "West" & Illiteracy.Level == "Low")

highest_income_state <- west_low_illiteracy[which.max(west_low_illiteracy$Income), ]

highest_income_state
##        Population Income Illiteracy Life Exp Murder HS Grad   Area state.region
## Nevada        590   5149        0.5    69.03   11.5    65.2 109889         West
##        Illiteracy.Level
## Nevada              Low