Tugas Akhir Mandarel

Engine SQL

Database yang digunakan pada publikasi ini adalah database sampel chinook yang menjadi database untuk mengakses dan mengolah melalui R sehingga diperlukan beberapa package, yaitu DBI dan RSQLite.

install.packages(c("RSQLite", "DBI"), dependencies = TRUE)

Selanjutnya package tidyverse yang mencakup beberapa package diretrieve. Fungsi dalam suatu package dapat juga dipanggil tanpa perintah library() atau require() jika sintaks yang ditulis menyertakan nama package tempat fungsi tersebut berasal. Penyertaan ini dengan menggunakan tanda ::.

library(tidyverse)
library(RSQLite)
library(DBI)

Secara umum, koneksi terhadap database pada R dapat menggunakan sintaks berikut: DBI::dbConnect(RSQLite::SQLite(), path = ":dbname:")

chinook<-DBI::dbConnect(RSQLite::SQLite(), "C:/SQLite/chinook.db")
RSQLite::dbListTables(chinook)
##  [1] "albums"          "artists"         "customers"       "employees"      
##  [5] "genres"          "invoice_items"   "invoices"        "media_types"    
##  [9] "playlist_track"  "playlists"       "sqlite_sequence" "sqlite_stat1"   
## [13] "tracks"

Setelah melakukan dbConnect() kita dapat melakukan perintah SQL.

SELECT 
  *
FROM
  playlists;
Displaying records 1 - 10
PlaylistId Name
1 Music
2 Movies
3 TV Shows
4 Audiobooks
5 90’s Music
6 Audiobooks
7 Movies
8 Music
9 Music Videos
10 TV Shows

Setelah selesai mengolah database terkait dianjurkan memutuskan koneksi dengan fungsi dbDisconnect() dan jika ingin menyambungkan kembali cukup menggunakan kembali dbConnect()

dbDisconnect(chinook)

Menggunakan DPLYR

chinook<-DBI::dbConnect(RSQLite::SQLite(), "C:/SQLite/chinook.db")

RSQLite::dbListTables(chinook)
##  [1] "albums"          "artists"         "customers"       "employees"      
##  [5] "genres"          "invoice_items"   "invoices"        "media_types"    
##  [9] "playlist_track"  "playlists"       "sqlite_sequence" "sqlite_stat1"   
## [13] "tracks"
dplyr::tbl(chinook,"playlists")
## # Source:   table<playlists> [?? x 2]
## # Database: sqlite 3.37.0 [C:\sqlite\chinook.db]
##    PlaylistId Name        
##         <int> <chr>       
##  1          1 Music       
##  2          2 Movies      
##  3          3 TV Shows    
##  4          4 Audiobooks  
##  5          5 90’s Music  
##  6          6 Audiobooks  
##  7          7 Movies      
##  8          8 Music       
##  9          9 Music Videos
## 10         10 TV Shows    
## # ... with more rows
playlists <- dplyr::tbl(chinook,"playlists")
class(playlists)
## [1] "tbl_SQLiteConnection" "tbl_dbi"              "tbl_sql"             
## [4] "tbl_lazy"             "tbl"
playlists
## # Source:   table<playlists> [?? x 2]
## # Database: sqlite 3.37.0 [C:\sqlite\chinook.db]
##    PlaylistId Name        
##         <int> <chr>       
##  1          1 Music       
##  2          2 Movies      
##  3          3 TV Shows    
##  4          4 Audiobooks  
##  5          5 90’s Music  
##  6          6 Audiobooks  
##  7          7 Movies      
##  8          8 Music       
##  9          9 Music Videos
## 10         10 TV Shows    
## # ... with more rows
query <- playlists  %>% select(-PlaylistId)
query
## # Source:   lazy query [?? x 1]
## # Database: sqlite 3.37.0 [C:\sqlite\chinook.db]
##    Name        
##    <chr>       
##  1 Music       
##  2 Movies      
##  3 TV Shows    
##  4 Audiobooks  
##  5 90’s Music  
##  6 Audiobooks  
##  7 Movies      
##  8 Music       
##  9 Music Videos
## 10 TV Shows    
## # ... with more rows
dplyr::show_query(query)
## <SQL>
## SELECT `Name`
## FROM `playlists`

Data Wrangling

Dataset yang digunakan adalah storms yang tersedia pada package default R datasets.

library(datasets)
library(help = "datasets")
CO2
##    Plant        Type  Treatment conc uptake
## 1    Qn1      Quebec nonchilled   95   16.0
## 2    Qn1      Quebec nonchilled  175   30.4
## 3    Qn1      Quebec nonchilled  250   34.8
## 4    Qn1      Quebec nonchilled  350   37.2
## 5    Qn1      Quebec nonchilled  500   35.3
## 6    Qn1      Quebec nonchilled  675   39.2
## 7    Qn1      Quebec nonchilled 1000   39.7
## 8    Qn2      Quebec nonchilled   95   13.6
## 9    Qn2      Quebec nonchilled  175   27.3
## 10   Qn2      Quebec nonchilled  250   37.1
## 11   Qn2      Quebec nonchilled  350   41.8
## 12   Qn2      Quebec nonchilled  500   40.6
## 13   Qn2      Quebec nonchilled  675   41.4
## 14   Qn2      Quebec nonchilled 1000   44.3
## 15   Qn3      Quebec nonchilled   95   16.2
## 16   Qn3      Quebec nonchilled  175   32.4
## 17   Qn3      Quebec nonchilled  250   40.3
## 18   Qn3      Quebec nonchilled  350   42.1
## 19   Qn3      Quebec nonchilled  500   42.9
## 20   Qn3      Quebec nonchilled  675   43.9
## 21   Qn3      Quebec nonchilled 1000   45.5
## 22   Qc1      Quebec    chilled   95   14.2
## 23   Qc1      Quebec    chilled  175   24.1
## 24   Qc1      Quebec    chilled  250   30.3
## 25   Qc1      Quebec    chilled  350   34.6
## 26   Qc1      Quebec    chilled  500   32.5
## 27   Qc1      Quebec    chilled  675   35.4
## 28   Qc1      Quebec    chilled 1000   38.7
## 29   Qc2      Quebec    chilled   95    9.3
## 30   Qc2      Quebec    chilled  175   27.3
## 31   Qc2      Quebec    chilled  250   35.0
## 32   Qc2      Quebec    chilled  350   38.8
## 33   Qc2      Quebec    chilled  500   38.6
## 34   Qc2      Quebec    chilled  675   37.5
## 35   Qc2      Quebec    chilled 1000   42.4
## 36   Qc3      Quebec    chilled   95   15.1
## 37   Qc3      Quebec    chilled  175   21.0
## 38   Qc3      Quebec    chilled  250   38.1
## 39   Qc3      Quebec    chilled  350   34.0
## 40   Qc3      Quebec    chilled  500   38.9
## 41   Qc3      Quebec    chilled  675   39.6
## 42   Qc3      Quebec    chilled 1000   41.4
## 43   Mn1 Mississippi nonchilled   95   10.6
## 44   Mn1 Mississippi nonchilled  175   19.2
## 45   Mn1 Mississippi nonchilled  250   26.2
## 46   Mn1 Mississippi nonchilled  350   30.0
## 47   Mn1 Mississippi nonchilled  500   30.9
## 48   Mn1 Mississippi nonchilled  675   32.4
## 49   Mn1 Mississippi nonchilled 1000   35.5
## 50   Mn2 Mississippi nonchilled   95   12.0
## 51   Mn2 Mississippi nonchilled  175   22.0
## 52   Mn2 Mississippi nonchilled  250   30.6
## 53   Mn2 Mississippi nonchilled  350   31.8
## 54   Mn2 Mississippi nonchilled  500   32.4
## 55   Mn2 Mississippi nonchilled  675   31.1
## 56   Mn2 Mississippi nonchilled 1000   31.5
## 57   Mn3 Mississippi nonchilled   95   11.3
## 58   Mn3 Mississippi nonchilled  175   19.4
## 59   Mn3 Mississippi nonchilled  250   25.8
## 60   Mn3 Mississippi nonchilled  350   27.9
## 61   Mn3 Mississippi nonchilled  500   28.5
## 62   Mn3 Mississippi nonchilled  675   28.1
## 63   Mn3 Mississippi nonchilled 1000   27.8
## 64   Mc1 Mississippi    chilled   95   10.5
## 65   Mc1 Mississippi    chilled  175   14.9
## 66   Mc1 Mississippi    chilled  250   18.1
## 67   Mc1 Mississippi    chilled  350   18.9
## 68   Mc1 Mississippi    chilled  500   19.5
## 69   Mc1 Mississippi    chilled  675   22.2
## 70   Mc1 Mississippi    chilled 1000   21.9
## 71   Mc2 Mississippi    chilled   95    7.7
## 72   Mc2 Mississippi    chilled  175   11.4
## 73   Mc2 Mississippi    chilled  250   12.3
## 74   Mc2 Mississippi    chilled  350   13.0
## 75   Mc2 Mississippi    chilled  500   12.5
## 76   Mc2 Mississippi    chilled  675   13.7
## 77   Mc2 Mississippi    chilled 1000   14.4
## 78   Mc3 Mississippi    chilled   95   10.6
## 79   Mc3 Mississippi    chilled  175   18.0
## 80   Mc3 Mississippi    chilled  250   17.9
## 81   Mc3 Mississippi    chilled  350   17.9
## 82   Mc3 Mississippi    chilled  500   17.9
## 83   Mc3 Mississippi    chilled  675   18.9
## 84   Mc3 Mississippi    chilled 1000   19.9

The CO2 data frame has 84 rows and 5 columns of data from an experiment on the cold tolerance of the grass species Echinochloa crus-galli. Untuk mengetahui informasi terkait dataset dapat menggunakan sintaks ?sebelum nama dataset .

?CO2
View(CO2)

Dataset tersebut akan dilakukan perintah arrange , mutate ,filter,select, dan summarise.

CO2%>% select(Plant,Type,Treatment,conc,uptake)
##    Plant        Type  Treatment conc uptake
## 1    Qn1      Quebec nonchilled   95   16.0
## 2    Qn1      Quebec nonchilled  175   30.4
## 3    Qn1      Quebec nonchilled  250   34.8
## 4    Qn1      Quebec nonchilled  350   37.2
## 5    Qn1      Quebec nonchilled  500   35.3
## 6    Qn1      Quebec nonchilled  675   39.2
## 7    Qn1      Quebec nonchilled 1000   39.7
## 8    Qn2      Quebec nonchilled   95   13.6
## 9    Qn2      Quebec nonchilled  175   27.3
## 10   Qn2      Quebec nonchilled  250   37.1
## 11   Qn2      Quebec nonchilled  350   41.8
## 12   Qn2      Quebec nonchilled  500   40.6
## 13   Qn2      Quebec nonchilled  675   41.4
## 14   Qn2      Quebec nonchilled 1000   44.3
## 15   Qn3      Quebec nonchilled   95   16.2
## 16   Qn3      Quebec nonchilled  175   32.4
## 17   Qn3      Quebec nonchilled  250   40.3
## 18   Qn3      Quebec nonchilled  350   42.1
## 19   Qn3      Quebec nonchilled  500   42.9
## 20   Qn3      Quebec nonchilled  675   43.9
## 21   Qn3      Quebec nonchilled 1000   45.5
## 22   Qc1      Quebec    chilled   95   14.2
## 23   Qc1      Quebec    chilled  175   24.1
## 24   Qc1      Quebec    chilled  250   30.3
## 25   Qc1      Quebec    chilled  350   34.6
## 26   Qc1      Quebec    chilled  500   32.5
## 27   Qc1      Quebec    chilled  675   35.4
## 28   Qc1      Quebec    chilled 1000   38.7
## 29   Qc2      Quebec    chilled   95    9.3
## 30   Qc2      Quebec    chilled  175   27.3
## 31   Qc2      Quebec    chilled  250   35.0
## 32   Qc2      Quebec    chilled  350   38.8
## 33   Qc2      Quebec    chilled  500   38.6
## 34   Qc2      Quebec    chilled  675   37.5
## 35   Qc2      Quebec    chilled 1000   42.4
## 36   Qc3      Quebec    chilled   95   15.1
## 37   Qc3      Quebec    chilled  175   21.0
## 38   Qc3      Quebec    chilled  250   38.1
## 39   Qc3      Quebec    chilled  350   34.0
## 40   Qc3      Quebec    chilled  500   38.9
## 41   Qc3      Quebec    chilled  675   39.6
## 42   Qc3      Quebec    chilled 1000   41.4
## 43   Mn1 Mississippi nonchilled   95   10.6
## 44   Mn1 Mississippi nonchilled  175   19.2
## 45   Mn1 Mississippi nonchilled  250   26.2
## 46   Mn1 Mississippi nonchilled  350   30.0
## 47   Mn1 Mississippi nonchilled  500   30.9
## 48   Mn1 Mississippi nonchilled  675   32.4
## 49   Mn1 Mississippi nonchilled 1000   35.5
## 50   Mn2 Mississippi nonchilled   95   12.0
## 51   Mn2 Mississippi nonchilled  175   22.0
## 52   Mn2 Mississippi nonchilled  250   30.6
## 53   Mn2 Mississippi nonchilled  350   31.8
## 54   Mn2 Mississippi nonchilled  500   32.4
## 55   Mn2 Mississippi nonchilled  675   31.1
## 56   Mn2 Mississippi nonchilled 1000   31.5
## 57   Mn3 Mississippi nonchilled   95   11.3
## 58   Mn3 Mississippi nonchilled  175   19.4
## 59   Mn3 Mississippi nonchilled  250   25.8
## 60   Mn3 Mississippi nonchilled  350   27.9
## 61   Mn3 Mississippi nonchilled  500   28.5
## 62   Mn3 Mississippi nonchilled  675   28.1
## 63   Mn3 Mississippi nonchilled 1000   27.8
## 64   Mc1 Mississippi    chilled   95   10.5
## 65   Mc1 Mississippi    chilled  175   14.9
## 66   Mc1 Mississippi    chilled  250   18.1
## 67   Mc1 Mississippi    chilled  350   18.9
## 68   Mc1 Mississippi    chilled  500   19.5
## 69   Mc1 Mississippi    chilled  675   22.2
## 70   Mc1 Mississippi    chilled 1000   21.9
## 71   Mc2 Mississippi    chilled   95    7.7
## 72   Mc2 Mississippi    chilled  175   11.4
## 73   Mc2 Mississippi    chilled  250   12.3
## 74   Mc2 Mississippi    chilled  350   13.0
## 75   Mc2 Mississippi    chilled  500   12.5
## 76   Mc2 Mississippi    chilled  675   13.7
## 77   Mc2 Mississippi    chilled 1000   14.4
## 78   Mc3 Mississippi    chilled   95   10.6
## 79   Mc3 Mississippi    chilled  175   18.0
## 80   Mc3 Mississippi    chilled  250   17.9
## 81   Mc3 Mississippi    chilled  350   17.9
## 82   Mc3 Mississippi    chilled  500   17.9
## 83   Mc3 Mississippi    chilled  675   18.9
## 84   Mc3 Mississippi    chilled 1000   19.9
CO2 %>% arrange(desc(Type))
##    Plant        Type  Treatment conc uptake
## 1    Mn1 Mississippi nonchilled   95   10.6
## 2    Mn1 Mississippi nonchilled  175   19.2
## 3    Mn1 Mississippi nonchilled  250   26.2
## 4    Mn1 Mississippi nonchilled  350   30.0
## 5    Mn1 Mississippi nonchilled  500   30.9
## 6    Mn1 Mississippi nonchilled  675   32.4
## 7    Mn1 Mississippi nonchilled 1000   35.5
## 8    Mn2 Mississippi nonchilled   95   12.0
## 9    Mn2 Mississippi nonchilled  175   22.0
## 10   Mn2 Mississippi nonchilled  250   30.6
## 11   Mn2 Mississippi nonchilled  350   31.8
## 12   Mn2 Mississippi nonchilled  500   32.4
## 13   Mn2 Mississippi nonchilled  675   31.1
## 14   Mn2 Mississippi nonchilled 1000   31.5
## 15   Mn3 Mississippi nonchilled   95   11.3
## 16   Mn3 Mississippi nonchilled  175   19.4
## 17   Mn3 Mississippi nonchilled  250   25.8
## 18   Mn3 Mississippi nonchilled  350   27.9
## 19   Mn3 Mississippi nonchilled  500   28.5
## 20   Mn3 Mississippi nonchilled  675   28.1
## 21   Mn3 Mississippi nonchilled 1000   27.8
## 22   Mc1 Mississippi    chilled   95   10.5
## 23   Mc1 Mississippi    chilled  175   14.9
## 24   Mc1 Mississippi    chilled  250   18.1
## 25   Mc1 Mississippi    chilled  350   18.9
## 26   Mc1 Mississippi    chilled  500   19.5
## 27   Mc1 Mississippi    chilled  675   22.2
## 28   Mc1 Mississippi    chilled 1000   21.9
## 29   Mc2 Mississippi    chilled   95    7.7
## 30   Mc2 Mississippi    chilled  175   11.4
## 31   Mc2 Mississippi    chilled  250   12.3
## 32   Mc2 Mississippi    chilled  350   13.0
## 33   Mc2 Mississippi    chilled  500   12.5
## 34   Mc2 Mississippi    chilled  675   13.7
## 35   Mc2 Mississippi    chilled 1000   14.4
## 36   Mc3 Mississippi    chilled   95   10.6
## 37   Mc3 Mississippi    chilled  175   18.0
## 38   Mc3 Mississippi    chilled  250   17.9
## 39   Mc3 Mississippi    chilled  350   17.9
## 40   Mc3 Mississippi    chilled  500   17.9
## 41   Mc3 Mississippi    chilled  675   18.9
## 42   Mc3 Mississippi    chilled 1000   19.9
## 43   Qn1      Quebec nonchilled   95   16.0
## 44   Qn1      Quebec nonchilled  175   30.4
## 45   Qn1      Quebec nonchilled  250   34.8
## 46   Qn1      Quebec nonchilled  350   37.2
## 47   Qn1      Quebec nonchilled  500   35.3
## 48   Qn1      Quebec nonchilled  675   39.2
## 49   Qn1      Quebec nonchilled 1000   39.7
## 50   Qn2      Quebec nonchilled   95   13.6
## 51   Qn2      Quebec nonchilled  175   27.3
## 52   Qn2      Quebec nonchilled  250   37.1
## 53   Qn2      Quebec nonchilled  350   41.8
## 54   Qn2      Quebec nonchilled  500   40.6
## 55   Qn2      Quebec nonchilled  675   41.4
## 56   Qn2      Quebec nonchilled 1000   44.3
## 57   Qn3      Quebec nonchilled   95   16.2
## 58   Qn3      Quebec nonchilled  175   32.4
## 59   Qn3      Quebec nonchilled  250   40.3
## 60   Qn3      Quebec nonchilled  350   42.1
## 61   Qn3      Quebec nonchilled  500   42.9
## 62   Qn3      Quebec nonchilled  675   43.9
## 63   Qn3      Quebec nonchilled 1000   45.5
## 64   Qc1      Quebec    chilled   95   14.2
## 65   Qc1      Quebec    chilled  175   24.1
## 66   Qc1      Quebec    chilled  250   30.3
## 67   Qc1      Quebec    chilled  350   34.6
## 68   Qc1      Quebec    chilled  500   32.5
## 69   Qc1      Quebec    chilled  675   35.4
## 70   Qc1      Quebec    chilled 1000   38.7
## 71   Qc2      Quebec    chilled   95    9.3
## 72   Qc2      Quebec    chilled  175   27.3
## 73   Qc2      Quebec    chilled  250   35.0
## 74   Qc2      Quebec    chilled  350   38.8
## 75   Qc2      Quebec    chilled  500   38.6
## 76   Qc2      Quebec    chilled  675   37.5
## 77   Qc2      Quebec    chilled 1000   42.4
## 78   Qc3      Quebec    chilled   95   15.1
## 79   Qc3      Quebec    chilled  175   21.0
## 80   Qc3      Quebec    chilled  250   38.1
## 81   Qc3      Quebec    chilled  350   34.0
## 82   Qc3      Quebec    chilled  500   38.9
## 83   Qc3      Quebec    chilled  675   39.6
## 84   Qc3      Quebec    chilled 1000   41.4
CO2 %>% filter(conc>100)
##    Plant        Type  Treatment conc uptake
## 1    Qn1      Quebec nonchilled  175   30.4
## 2    Qn1      Quebec nonchilled  250   34.8
## 3    Qn1      Quebec nonchilled  350   37.2
## 4    Qn1      Quebec nonchilled  500   35.3
## 5    Qn1      Quebec nonchilled  675   39.2
## 6    Qn1      Quebec nonchilled 1000   39.7
## 7    Qn2      Quebec nonchilled  175   27.3
## 8    Qn2      Quebec nonchilled  250   37.1
## 9    Qn2      Quebec nonchilled  350   41.8
## 10   Qn2      Quebec nonchilled  500   40.6
## 11   Qn2      Quebec nonchilled  675   41.4
## 12   Qn2      Quebec nonchilled 1000   44.3
## 13   Qn3      Quebec nonchilled  175   32.4
## 14   Qn3      Quebec nonchilled  250   40.3
## 15   Qn3      Quebec nonchilled  350   42.1
## 16   Qn3      Quebec nonchilled  500   42.9
## 17   Qn3      Quebec nonchilled  675   43.9
## 18   Qn3      Quebec nonchilled 1000   45.5
## 19   Qc1      Quebec    chilled  175   24.1
## 20   Qc1      Quebec    chilled  250   30.3
## 21   Qc1      Quebec    chilled  350   34.6
## 22   Qc1      Quebec    chilled  500   32.5
## 23   Qc1      Quebec    chilled  675   35.4
## 24   Qc1      Quebec    chilled 1000   38.7
## 25   Qc2      Quebec    chilled  175   27.3
## 26   Qc2      Quebec    chilled  250   35.0
## 27   Qc2      Quebec    chilled  350   38.8
## 28   Qc2      Quebec    chilled  500   38.6
## 29   Qc2      Quebec    chilled  675   37.5
## 30   Qc2      Quebec    chilled 1000   42.4
## 31   Qc3      Quebec    chilled  175   21.0
## 32   Qc3      Quebec    chilled  250   38.1
## 33   Qc3      Quebec    chilled  350   34.0
## 34   Qc3      Quebec    chilled  500   38.9
## 35   Qc3      Quebec    chilled  675   39.6
## 36   Qc3      Quebec    chilled 1000   41.4
## 37   Mn1 Mississippi nonchilled  175   19.2
## 38   Mn1 Mississippi nonchilled  250   26.2
## 39   Mn1 Mississippi nonchilled  350   30.0
## 40   Mn1 Mississippi nonchilled  500   30.9
## 41   Mn1 Mississippi nonchilled  675   32.4
## 42   Mn1 Mississippi nonchilled 1000   35.5
## 43   Mn2 Mississippi nonchilled  175   22.0
## 44   Mn2 Mississippi nonchilled  250   30.6
## 45   Mn2 Mississippi nonchilled  350   31.8
## 46   Mn2 Mississippi nonchilled  500   32.4
## 47   Mn2 Mississippi nonchilled  675   31.1
## 48   Mn2 Mississippi nonchilled 1000   31.5
## 49   Mn3 Mississippi nonchilled  175   19.4
## 50   Mn3 Mississippi nonchilled  250   25.8
## 51   Mn3 Mississippi nonchilled  350   27.9
## 52   Mn3 Mississippi nonchilled  500   28.5
## 53   Mn3 Mississippi nonchilled  675   28.1
## 54   Mn3 Mississippi nonchilled 1000   27.8
## 55   Mc1 Mississippi    chilled  175   14.9
## 56   Mc1 Mississippi    chilled  250   18.1
## 57   Mc1 Mississippi    chilled  350   18.9
## 58   Mc1 Mississippi    chilled  500   19.5
## 59   Mc1 Mississippi    chilled  675   22.2
## 60   Mc1 Mississippi    chilled 1000   21.9
## 61   Mc2 Mississippi    chilled  175   11.4
## 62   Mc2 Mississippi    chilled  250   12.3
## 63   Mc2 Mississippi    chilled  350   13.0
## 64   Mc2 Mississippi    chilled  500   12.5
## 65   Mc2 Mississippi    chilled  675   13.7
## 66   Mc2 Mississippi    chilled 1000   14.4
## 67   Mc3 Mississippi    chilled  175   18.0
## 68   Mc3 Mississippi    chilled  250   17.9
## 69   Mc3 Mississippi    chilled  350   17.9
## 70   Mc3 Mississippi    chilled  500   17.9
## 71   Mc3 Mississippi    chilled  675   18.9
## 72   Mc3 Mississippi    chilled 1000   19.9
CO2 %>% mutate(duration=conc*uptake)
##    Plant        Type  Treatment conc uptake duration
## 1    Qn1      Quebec nonchilled   95   16.0   1520.0
## 2    Qn1      Quebec nonchilled  175   30.4   5320.0
## 3    Qn1      Quebec nonchilled  250   34.8   8700.0
## 4    Qn1      Quebec nonchilled  350   37.2  13020.0
## 5    Qn1      Quebec nonchilled  500   35.3  17650.0
## 6    Qn1      Quebec nonchilled  675   39.2  26460.0
## 7    Qn1      Quebec nonchilled 1000   39.7  39700.0
## 8    Qn2      Quebec nonchilled   95   13.6   1292.0
## 9    Qn2      Quebec nonchilled  175   27.3   4777.5
## 10   Qn2      Quebec nonchilled  250   37.1   9275.0
## 11   Qn2      Quebec nonchilled  350   41.8  14630.0
## 12   Qn2      Quebec nonchilled  500   40.6  20300.0
## 13   Qn2      Quebec nonchilled  675   41.4  27945.0
## 14   Qn2      Quebec nonchilled 1000   44.3  44300.0
## 15   Qn3      Quebec nonchilled   95   16.2   1539.0
## 16   Qn3      Quebec nonchilled  175   32.4   5670.0
## 17   Qn3      Quebec nonchilled  250   40.3  10075.0
## 18   Qn3      Quebec nonchilled  350   42.1  14735.0
## 19   Qn3      Quebec nonchilled  500   42.9  21450.0
## 20   Qn3      Quebec nonchilled  675   43.9  29632.5
## 21   Qn3      Quebec nonchilled 1000   45.5  45500.0
## 22   Qc1      Quebec    chilled   95   14.2   1349.0
## 23   Qc1      Quebec    chilled  175   24.1   4217.5
## 24   Qc1      Quebec    chilled  250   30.3   7575.0
## 25   Qc1      Quebec    chilled  350   34.6  12110.0
## 26   Qc1      Quebec    chilled  500   32.5  16250.0
## 27   Qc1      Quebec    chilled  675   35.4  23895.0
## 28   Qc1      Quebec    chilled 1000   38.7  38700.0
## 29   Qc2      Quebec    chilled   95    9.3    883.5
## 30   Qc2      Quebec    chilled  175   27.3   4777.5
## 31   Qc2      Quebec    chilled  250   35.0   8750.0
## 32   Qc2      Quebec    chilled  350   38.8  13580.0
## 33   Qc2      Quebec    chilled  500   38.6  19300.0
## 34   Qc2      Quebec    chilled  675   37.5  25312.5
## 35   Qc2      Quebec    chilled 1000   42.4  42400.0
## 36   Qc3      Quebec    chilled   95   15.1   1434.5
## 37   Qc3      Quebec    chilled  175   21.0   3675.0
## 38   Qc3      Quebec    chilled  250   38.1   9525.0
## 39   Qc3      Quebec    chilled  350   34.0  11900.0
## 40   Qc3      Quebec    chilled  500   38.9  19450.0
## 41   Qc3      Quebec    chilled  675   39.6  26730.0
## 42   Qc3      Quebec    chilled 1000   41.4  41400.0
## 43   Mn1 Mississippi nonchilled   95   10.6   1007.0
## 44   Mn1 Mississippi nonchilled  175   19.2   3360.0
## 45   Mn1 Mississippi nonchilled  250   26.2   6550.0
## 46   Mn1 Mississippi nonchilled  350   30.0  10500.0
## 47   Mn1 Mississippi nonchilled  500   30.9  15450.0
## 48   Mn1 Mississippi nonchilled  675   32.4  21870.0
## 49   Mn1 Mississippi nonchilled 1000   35.5  35500.0
## 50   Mn2 Mississippi nonchilled   95   12.0   1140.0
## 51   Mn2 Mississippi nonchilled  175   22.0   3850.0
## 52   Mn2 Mississippi nonchilled  250   30.6   7650.0
## 53   Mn2 Mississippi nonchilled  350   31.8  11130.0
## 54   Mn2 Mississippi nonchilled  500   32.4  16200.0
## 55   Mn2 Mississippi nonchilled  675   31.1  20992.5
## 56   Mn2 Mississippi nonchilled 1000   31.5  31500.0
## 57   Mn3 Mississippi nonchilled   95   11.3   1073.5
## 58   Mn3 Mississippi nonchilled  175   19.4   3395.0
## 59   Mn3 Mississippi nonchilled  250   25.8   6450.0
## 60   Mn3 Mississippi nonchilled  350   27.9   9765.0
## 61   Mn3 Mississippi nonchilled  500   28.5  14250.0
## 62   Mn3 Mississippi nonchilled  675   28.1  18967.5
## 63   Mn3 Mississippi nonchilled 1000   27.8  27800.0
## 64   Mc1 Mississippi    chilled   95   10.5    997.5
## 65   Mc1 Mississippi    chilled  175   14.9   2607.5
## 66   Mc1 Mississippi    chilled  250   18.1   4525.0
## 67   Mc1 Mississippi    chilled  350   18.9   6615.0
## 68   Mc1 Mississippi    chilled  500   19.5   9750.0
## 69   Mc1 Mississippi    chilled  675   22.2  14985.0
## 70   Mc1 Mississippi    chilled 1000   21.9  21900.0
## 71   Mc2 Mississippi    chilled   95    7.7    731.5
## 72   Mc2 Mississippi    chilled  175   11.4   1995.0
## 73   Mc2 Mississippi    chilled  250   12.3   3075.0
## 74   Mc2 Mississippi    chilled  350   13.0   4550.0
## 75   Mc2 Mississippi    chilled  500   12.5   6250.0
## 76   Mc2 Mississippi    chilled  675   13.7   9247.5
## 77   Mc2 Mississippi    chilled 1000   14.4  14400.0
## 78   Mc3 Mississippi    chilled   95   10.6   1007.0
## 79   Mc3 Mississippi    chilled  175   18.0   3150.0
## 80   Mc3 Mississippi    chilled  250   17.9   4475.0
## 81   Mc3 Mississippi    chilled  350   17.9   6265.0
## 82   Mc3 Mississippi    chilled  500   17.9   8950.0
## 83   Mc3 Mississippi    chilled  675   18.9  12757.5
## 84   Mc3 Mississippi    chilled 1000   19.9  19900.0
CO2 %>% group_by(Type)%>%summarise(mean=mean(conc))
## # A tibble: 2 x 2
##   Type         mean
##   <fct>       <dbl>
## 1 Quebec        435
## 2 Mississippi   435
CO2
##    Plant        Type  Treatment conc uptake
## 1    Qn1      Quebec nonchilled   95   16.0
## 2    Qn1      Quebec nonchilled  175   30.4
## 3    Qn1      Quebec nonchilled  250   34.8
## 4    Qn1      Quebec nonchilled  350   37.2
## 5    Qn1      Quebec nonchilled  500   35.3
## 6    Qn1      Quebec nonchilled  675   39.2
## 7    Qn1      Quebec nonchilled 1000   39.7
## 8    Qn2      Quebec nonchilled   95   13.6
## 9    Qn2      Quebec nonchilled  175   27.3
## 10   Qn2      Quebec nonchilled  250   37.1
## 11   Qn2      Quebec nonchilled  350   41.8
## 12   Qn2      Quebec nonchilled  500   40.6
## 13   Qn2      Quebec nonchilled  675   41.4
## 14   Qn2      Quebec nonchilled 1000   44.3
## 15   Qn3      Quebec nonchilled   95   16.2
## 16   Qn3      Quebec nonchilled  175   32.4
## 17   Qn3      Quebec nonchilled  250   40.3
## 18   Qn3      Quebec nonchilled  350   42.1
## 19   Qn3      Quebec nonchilled  500   42.9
## 20   Qn3      Quebec nonchilled  675   43.9
## 21   Qn3      Quebec nonchilled 1000   45.5
## 22   Qc1      Quebec    chilled   95   14.2
## 23   Qc1      Quebec    chilled  175   24.1
## 24   Qc1      Quebec    chilled  250   30.3
## 25   Qc1      Quebec    chilled  350   34.6
## 26   Qc1      Quebec    chilled  500   32.5
## 27   Qc1      Quebec    chilled  675   35.4
## 28   Qc1      Quebec    chilled 1000   38.7
## 29   Qc2      Quebec    chilled   95    9.3
## 30   Qc2      Quebec    chilled  175   27.3
## 31   Qc2      Quebec    chilled  250   35.0
## 32   Qc2      Quebec    chilled  350   38.8
## 33   Qc2      Quebec    chilled  500   38.6
## 34   Qc2      Quebec    chilled  675   37.5
## 35   Qc2      Quebec    chilled 1000   42.4
## 36   Qc3      Quebec    chilled   95   15.1
## 37   Qc3      Quebec    chilled  175   21.0
## 38   Qc3      Quebec    chilled  250   38.1
## 39   Qc3      Quebec    chilled  350   34.0
## 40   Qc3      Quebec    chilled  500   38.9
## 41   Qc3      Quebec    chilled  675   39.6
## 42   Qc3      Quebec    chilled 1000   41.4
## 43   Mn1 Mississippi nonchilled   95   10.6
## 44   Mn1 Mississippi nonchilled  175   19.2
## 45   Mn1 Mississippi nonchilled  250   26.2
## 46   Mn1 Mississippi nonchilled  350   30.0
## 47   Mn1 Mississippi nonchilled  500   30.9
## 48   Mn1 Mississippi nonchilled  675   32.4
## 49   Mn1 Mississippi nonchilled 1000   35.5
## 50   Mn2 Mississippi nonchilled   95   12.0
## 51   Mn2 Mississippi nonchilled  175   22.0
## 52   Mn2 Mississippi nonchilled  250   30.6
## 53   Mn2 Mississippi nonchilled  350   31.8
## 54   Mn2 Mississippi nonchilled  500   32.4
## 55   Mn2 Mississippi nonchilled  675   31.1
## 56   Mn2 Mississippi nonchilled 1000   31.5
## 57   Mn3 Mississippi nonchilled   95   11.3
## 58   Mn3 Mississippi nonchilled  175   19.4
## 59   Mn3 Mississippi nonchilled  250   25.8
## 60   Mn3 Mississippi nonchilled  350   27.9
## 61   Mn3 Mississippi nonchilled  500   28.5
## 62   Mn3 Mississippi nonchilled  675   28.1
## 63   Mn3 Mississippi nonchilled 1000   27.8
## 64   Mc1 Mississippi    chilled   95   10.5
## 65   Mc1 Mississippi    chilled  175   14.9
## 66   Mc1 Mississippi    chilled  250   18.1
## 67   Mc1 Mississippi    chilled  350   18.9
## 68   Mc1 Mississippi    chilled  500   19.5
## 69   Mc1 Mississippi    chilled  675   22.2
## 70   Mc1 Mississippi    chilled 1000   21.9
## 71   Mc2 Mississippi    chilled   95    7.7
## 72   Mc2 Mississippi    chilled  175   11.4
## 73   Mc2 Mississippi    chilled  250   12.3
## 74   Mc2 Mississippi    chilled  350   13.0
## 75   Mc2 Mississippi    chilled  500   12.5
## 76   Mc2 Mississippi    chilled  675   13.7
## 77   Mc2 Mississippi    chilled 1000   14.4
## 78   Mc3 Mississippi    chilled   95   10.6
## 79   Mc3 Mississippi    chilled  175   18.0
## 80   Mc3 Mississippi    chilled  250   17.9
## 81   Mc3 Mississippi    chilled  350   17.9
## 82   Mc3 Mississippi    chilled  500   17.9
## 83   Mc3 Mississippi    chilled  675   18.9
## 84   Mc3 Mississippi    chilled 1000   19.9

Melakukan kelima perintah bersamaan

CO2%>% select(Plant,Type,Treatment,conc,uptake) %>% arrange(desc(Type)) %>%  filter(conc>100)%>% mutate(duration=conc*uptake)%>% group_by(Type)%>%summarise(mean=mean(conc))
## # A tibble: 2 x 2
##   Type         mean
##   <fct>       <dbl>
## 1 Quebec       492.
## 2 Mississippi  492.