The given dataset, PUMS_reduced.csv, was obtained from the US Census, 2012-2016 ACS PUMS DATA. The sample data includes 67,248 New Hampshire residents.

See below for infomration on Public Use Microdata Sample (PUMS)

# Load packages
library(tidyverse)

# Import data
PUMS_reduced <- read.csv("C:/Users/jzbowman/Downloads/PUMS_reduced.csv") %>% as_tibble()

PUMS_reduced
## # A tibble: 67,248 x 7
##        X  PUMA   age education  field_of_degree    income occupation       
##    <int> <int> <int> <fct>      <fct>               <int> <fct>            
##  1     1  1000    87 lessthanBA <NA>                11800 <NA>             
##  2     2   900    42 lessthanBA <NA>                 8800 Cashiers         
##  3     3   800    43 BAorhigher English Language    10000 Human Resources ~
##  4     4   800    43 lessthanBA <NA>               112000 Securities, Comm~
##  5     5   800    14 lessthanBA <NA>                   NA <NA>             
##  6     6   800    11 lessthanBA <NA>                   NA <NA>             
##  7     7   900    63 lessthanBA <NA>                23900 Driver/Sales Wor~
##  8     8   900    59 BAorhigher Early Childhood E~  34600 Elementary And M~
##  9     9   900    65 lessthanBA <NA>                 9400 Retail Salespers~
## 10    10   300    50 lessthanBA <NA>                18000 Retail Sales Wor~
## # ... with 67,238 more rows

Q1. What type of data is the variable, occupation (i.e., numeric, character, logical)?

Character

Q2. What type of R object is PUMS_reduced (i.e., vector, matrix, data frame, list)? And why?

PUMS_reduced is a data frame because it contains numerical and character data.

Q3. Describe the first observation (first row) using all variables.

The first individual is an 87 year old making $11800 a year with less than a BA in education and currently unemployed.

Q4. What is the most common occupation in New Hampshire?

PUMS_reduced %>%
  count(occupation) %>%
  arrange(desc(n))
## # A tibble: 469 x 2
##    occupation                         n
##    <fct>                          <int>
##  1 <NA>                           23193
##  2 Miscellaneous Managers, Includ  1336
##  3 Retail Salespersons             1150
##  4 Elementary And Middle School T  1139
##  5 Cashiers                        1077
##  6 Secretaries And Administrative  1045
##  7 Registered Nurses               1015
##  8 Line Supervisors Of Retail Sal   865
##  9 Driver/Sales Workers And Truck   855
## 10 Janitors And Building Cleaners   717
## # ... with 459 more rows

The most common occupation is Miscellaneous Managers.

Q5. What’s the most common occupation in New Hamphsire among those who with a finance degree?

PUMS_reduced %>%
  filter(field_of_degree == "Finance") %>%
  count(occupation) %>%
  arrange(desc(n))
## # A tibble: 69 x 2
##    occupation                         n
##    <fct>                          <int>
##  1 <NA>                              20
##  2 Accountants And Auditors          16
##  3 Chief Executives And Legislato    10
##  4 Financial Managers                10
##  5 Miscellaneous Managers, Includ    10
##  6 Personal Financial Advisors        9
##  7 Management Analysts                8
##  8 Bookkeeping, Accounting, And A     6
##  9 Financial Analysts                 6
## 10 Sales Representatives, Service     5
## # ... with 59 more rows

The most common occupation in New Hampshire for those with a finance degree is Accountant and Auditor.

Q6. What’s the top occupation in terms of median income? How much do they make?

PUMS_reduced %>%
  group_by(occupation) %>%
  summarise(occmed = median(income)) %>%
  arrange(desc(occmed))
## # A tibble: 469 x 2
##    occupation                        occmed
##    <fct>                              <dbl>
##  1 Dentists                         230000 
##  2 Physicians And Surgeons          200000 
##  3 Petroleum, Mining And Geologic   177500.
##  4 Optometrists                     150000 
##  5 Air Traffic Controllers And Ai   141000 
##  6 Nurse Anesthetists               135000 
##  7 Aircraft Pilots And Flight Eng   130000 
##  8 "Architectural And Engineering " 125000 
##  9 Astronomers And Physicists       125000 
## 10 Chemical Engineers               120000 
## # ... with 459 more rows

The top occupation for median income is Dentists, they earn $230,000 per year.

Q7. Where does Finance rank in terms of median income (for example, 1st, 2nd or 3rd)? How much do they make?

PUMS_reduced %>%
  group_by(field_of_degree) %>%
  summarise(occmed = median(income)) %>%
  arrange(desc(occmed)) %>%
  data.frame
##                                 field_of_degree   occmed
## 1                         Petroleum Engineering 188000.0
## 2                             Materials Science 154800.0
## 3                           Nuclear Engineering 148300.0
## 4                             Physical Sciences 129000.0
## 5   Mechanical Engineering Related Technologies 111900.0
## 6              Pharmacy Pharmaceutical Sciences 106700.0
## 7                        Biological Engineering 101800.0
## 8                     Metallurgical Engineering  99700.0
## 9                            Naval Architecture  97000.0
## 10                       Electrical Engineering  94000.0
## 11                         Computer Engineering  91075.0
## 12                        Aerospace Engineering  89200.0
## 13                         Information Sciences  88250.0
## 14               Management Information Systems  86650.0
## 15                                      Physics  86250.0
## 16                             Computer Science  86000.0
## 17                       Mechanical Engineering  85400.0
## 18                      Transportation Sciences  85000.0
## 19                        Materials Engineering  84200.0
## 20                       Miscellaneous Business  82500.0
## 21                                 Oceanography  81505.0
## 22                          General Engineering  80000.0
## 23                                   Industrial  76415.0
## 24                         Computer Programming  76100.0
## 25                            Actuarial Science  76000.0
## 26                                   Statistics  76000.0
## 27                Miscellaneous Social Sciences  75900.0
## 28                                      Finance  75000.0
## 29                     Engineering Technologies  74040.0
## 30                         Operations Logistics  74005.0
## 31                       Agricultural Economics  74000.0
## 32            Electrical Engineering Technology  73000.0
## 33                         Chemical Engineering  71450.0
## 34                    Architectural Engineering  70000.0
## 35                                  Engineering  70000.0
## 36                    Environmental Engineering  70000.0
## 37                                 Soil Science  70000.0
## 38                                  Mathematics  69100.0
## 39                                    Chemistry  69000.0
## 40                Engineering Mechanics Physics  69000.0
## 41           Computer Administration Management  68400.0
## 42             Medical Technologies Technicians  68000.0
## 43                         Biochemical Sciences  66000.0
## 44                                    Economics  66000.0
## 45                                  Geosciences  66000.0
## 46                           Business Economics  65540.0
## 47                    Miscellaneous Engineering  65000.0
## 48                        Construction Services  64500.0
## 49                            Civil Engineering  64410.0
## 50                                   Physiology  63000.0
## 51                                     Computer  62140.0
## 52                                   Geological  59750.0
## 53                                      Biology  59040.0
## 54                                    Astronomy  59000.0
## 55                                Plant Science  58500.0
## 56                            Political Science  57500.0
## 57                        Public Administration  57500.0
## 58                       Biomedical Engineering  57000.0
## 59                                     Forestry  56600.0
## 60           Industrial Production Technologies  56400.0
## 61               Nuclear, Industrial Radiology,  56000.0
## 62                    School Student Counseling  55750.0
## 63                                   Accounting  55007.0
## 64                          Business Management  55000.0
## 65                          Computer Networking  55000.0
## 66                                     Genetics  55000.0
## 67                                 Microbiology  55000.0
## 68                Treatment Therapy Professions  55000.0
## 69                        United States History  54800.0
## 70                                 Pharmacology  54500.0
## 71                                   Humanities  54000.0
## 72                                    Marketing  54000.0
## 73             Communication Disorders Sciences  53750.0
## 74                      Other Foreign Languages  53050.0
## 75                             General Business  53010.0
## 76                                      Geology  52700.0
## 77                                      Nursing  52150.0
## 78        Multi-Disciplinary Or General Science  50004.0
## 79                                       Botany  50000.0
## 80                                    Geography  50000.0
## 81                                       Health  50000.0
## 82                   Medical Assisting Services  50000.0
## 83       Miscellaneous Engineering Technologies  50000.0
## 84                 Natural Resources Management  50000.0
## 85                      Miscellaneous Education  49800.0
## 86                              Human Resources  49500.0
## 87                                     Physical  49202.0
## 88                Mathematics Teacher Education  49200.0
## 89                         Atmospheric Sciences  48835.0
## 90                                Public Policy  48600.0
## 91                       Educational Psychology  48250.0
## 92                             Criminal Justice  48000.0
## 93                                      Pre-Law  48000.0
## 94                  Secondary Teacher Education  48000.0
## 95                        Counseling Psychology  47000.0
## 96                       International Business  47000.0
## 97                        Miscellaneous Biology  47000.0
## 98                                      History  46100.0
## 99                      International Relations  45910.0
## 100                                    Language  45650.0
## 101                             Animal Sciences  45000.0
## 102                         French German Latin  45000.0
## 103                               Intercultural  45000.0
## 104                           Molecular Biology  44000.0
## 105                                  Mass Media  43105.0
## 106                       Environmental Science  43050.0
## 107                                  Journalism  43000.0
## 108    Miscellaneous Health Medical Professions  43000.0
## 109                         Applied Mathematics  42720.0
## 110                     Miscellaneous Fine Arts  42500.0
## 111                                     Science  42500.0
## 112 Social Science Or History Teacher Education  42040.0
## 113                                Architecture  42000.0
## 114                                   Community  41500.0
## 115                             Library Science  41500.0
## 116                                  Philosophy  41400.0
## 117                              Human Services  41250.0
## 118                  Educational Administration  40900.0
## 119                     Special Needs Education  40800.0
## 120                              Communications  40610.0
## 121                                   Sociology  40500.0
## 122                                     Zoology  40500.0
## 123                         Clinical Psychology  40050.0
## 124                                         Art  40000.0
## 125                                 Art History  40000.0
## 126                          Nutrition Sciences  40000.0
## 127           Physical Fitness Parks Recreation  40000.0
## 128                                  Psychology  40000.0
## 129                                 Area Ethnic  39960.0
## 130                            English Language  38920.0
## 131                        Elementary Education  38600.0
## 132                      Agriculture Production  38500.0
## 133                     General Social Sciences  38500.0
## 134                                 Linguistics  38450.0
## 135                                       Music  38300.0
## 136                      Hospitality Management  38005.0
## 137                                Anthropology  37000.5
## 138                                  Film Video  36000.0
## 139                                Liberal Arts  36000.0
## 140                                    Theology  35600.0
## 141                                     Ecology  35500.0
## 142                           General Education  35200.0
## 143                                Neuroscience  35000.0
## 144           Interdisciplinary Social Sciences  34260.0
## 145                    Miscellaneous Psychology  34100.0
## 146                                 Advertising  33900.0
## 147                         General Agriculture  33350.0
## 148                                      Family  32700.0
## 149                        Cosmetology Services  32500.0
## 150                  Communication Technologies  31950.0
## 151                                       Drama  30500.0
## 152                                 Social Work  30300.0
## 153                                   Fine Arts  30000.0
## 154                             General Medical  30000.0
## 155                                 Composition  29200.0
## 156                       Military Technologies  29000.0
## 157                                      Visual  28500.0
## 158                              Commercial Art  28400.0
## 159                   Early Childhood Education  28000.0
## 160          Teacher Education: Multiple Levels  27400.0
## 161                                 Studio Arts  27000.0
## 162                                 Criminology  25000.0
## 163             Multi/Interdisciplinary Studies  23000.0
## 164                           Social Psychology  21500.0
## 165                     Electrical, Mechanical,  17000.0
## 166                                Food Science  16905.0
## 167                           Cognitive Science  16500.0
## 168                   Miscellaneous Agriculture  14500.0
## 169                                        <NA>       NA

Finance degree holders rank 28th for median income, making $75,000 per year