Dplyr penguins data basics select (solution)

Exercise

If the file penguins.csv is not already in your working directory then download it into your working directory.

Load the data using read_csv() and use dplyr to complete the following tasks.

Select the data from the species column.
Select the data from the island and year.
Select the data from the species, bill_length_mm, bill_depth_mm, and body_mass_g columns.

Output solution


Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Rows: 344 Columns: 8
── Column specification ────────────────────────────────────────────────────────
Delimiter: ","
chr (3): species, island, sex
dbl (5): bill_length_mm, bill_depth_mm, flipper_length_mm, body_mass_g, year

ℹ Use `spec()` to retrieve the full column specification for this data.
ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.

Select the data from the species column.

# A tibble: 344 × 1
   species
   <chr>  
 1 Adelie 
 2 Adelie 
 3 Adelie 
 4 Adelie 
 5 Adelie 
 6 Adelie 
 7 Adelie 
 8 Adelie 
 9 Adelie 
10 Adelie 
# ℹ 334 more rows

Select the data from the island and year.

# A tibble: 344 × 2
   island     year
   <chr>     <dbl>
 1 Torgersen  2007
 2 Torgersen  2007
 3 Torgersen  2007
 4 Torgersen  2007
 5 Torgersen  2007
 6 Torgersen  2007
 7 Torgersen  2007
 8 Torgersen  2007
 9 Torgersen  2007
10 Torgersen  2007
# ℹ 334 more rows

Select the data from the species, bill_length_mm, bill_depth_mm, and body_mass_g columns.

# A tibble: 344 × 4
   species bill_length_mm bill_depth_mm body_mass_g
   <chr>            <dbl>         <dbl>       <dbl>
 1 Adelie            39.1          18.7        3750
 2 Adelie            39.5          17.4        3800
 3 Adelie            40.3          18          3250
 4 Adelie            NA            NA            NA
 5 Adelie            36.7          19.3        3450
 6 Adelie            39.3          20.6        3650
 7 Adelie            38.9          17.8        3625
 8 Adelie            39.2          19.6        4675
 9 Adelie            34.1          18.1        3475
10 Adelie            42            20.2        4250
# ℹ 334 more rows