hds 2.1 .qmd

Author

Sandeep

#install.packages("devtools")
#devtools::install_github("hellodata-science/hellodatascience")

library(hellodatascience)
library(tidyverse)
library(nycflights23)
data(planets)
planets

# A tibble: 8 × 7
  name        mass length_of_day mean_temp n_moons ring_system surface_pressure
  <chr>      <dbl>         <dbl> <fct>       <int> <lgl>                  <dbl>
1 Mercury    0.33         4223.  positive        0 FALSE                   0   
2 Venus      4.87         2802   positive        0 FALSE                  92   
3 Earth      5.97           24   positive        1 FALSE                   1   
4 Mars       0.642          24.7 negative        2 FALSE                   0.01
5 Jupiter 1898               9.9 negative       95 TRUE                   NA   
6 Saturn   568              10.7 negative      146 TRUE                   NA   
7 Uranus    86.8            17.2 negative       28 TRUE                   NA   
8 Neptune  102              16.1 negative       16 TRUE                   NA

nrow(planets)

[1] 8

head(planets)

# A tibble: 6 × 7
  name        mass length_of_day mean_temp n_moons ring_system surface_pressure
  <chr>      <dbl>         <dbl> <fct>       <int> <lgl>                  <dbl>
1 Mercury    0.33         4223.  positive        0 FALSE                   0   
2 Venus      4.87         2802   positive        0 FALSE                  92   
3 Earth      5.97           24   positive        1 FALSE                   1   
4 Mars       0.642          24.7 negative        2 FALSE                   0.01
5 Jupiter 1898               9.9 negative       95 TRUE                   NA   
6 Saturn   568              10.7 negative      146 TRUE                   NA

tail(planets)

# A tibble: 6 × 7
  name        mass length_of_day mean_temp n_moons ring_system surface_pressure
  <chr>      <dbl>         <dbl> <fct>       <int> <lgl>                  <dbl>
1 Earth      5.97           24   positive        1 FALSE                   1   
2 Mars       0.642          24.7 negative        2 FALSE                   0.01
3 Jupiter 1898               9.9 negative       95 TRUE                   NA   
4 Saturn   568              10.7 negative      146 TRUE                   NA   
5 Uranus    86.8            17.2 negative       28 TRUE                   NA   
6 Neptune  102              16.1 negative       16 TRUE                   NA

dplyr::glimpse(planets)

Rows: 8
Columns: 7
$ name             <chr> "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Satu…
$ mass             <dbl> 0.330, 4.870, 5.970, 0.642, 1898.000, 568.000, 86.800…
$ length_of_day    <dbl> 4222.6, 2802.0, 24.0, 24.7, 9.9, 10.7, 17.2, 16.1
$ mean_temp        <fct> positive, positive, positive, negative, negative, neg…
$ n_moons          <int> 0, 0, 1, 2, 95, 146, 28, 16
$ ring_system      <lgl> FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE
$ surface_pressure <dbl> 0.00, 92.00, 1.00, 0.01, NA, NA, NA, NA

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