Захват вывода данных

Question

Я хочу захватить вывод из функции data, в которой вы указываете имя пакета, а функция создает статический вывод. Я хочу превратить это в dataframe.

В настоящее время следующий дает статический вывод:

data(package = "ggplot2") 

я хотел бы, чтобы это было как dataframe и на самом деле не имею внешний статический вывод производства.

diamonds    Prices of 50,000 round cut diamonds 
economics    US economic time series. 
midwest     Midwest demographics. 
movies     Movie information and user ratings from IMDB.com. 
mpg      Fuel economy data from 1999 and 2008 for 38 popular models of car 
msleep     An updated and expanded version of the mammals sleep dataset. 
presidential   Terms of 10 presidents from Eisenhower to Bush W. 
seals     Vector field of seal movements. 

Answer 1

Достаточно ли этого, чтобы вы начали?

> data(package = "ggplot2")$results 
    Package LibPath     Item   
[1,] "ggplot2" "/home/mrdwab/R/library" "diamonds"  
[2,] "ggplot2" "/home/mrdwab/R/library" "economics" 
[3,] "ggplot2" "/home/mrdwab/R/library" "midwest"  
[4,] "ggplot2" "/home/mrdwab/R/library" "movies"  
[5,] "ggplot2" "/home/mrdwab/R/library" "mpg"   
[6,] "ggplot2" "/home/mrdwab/R/library" "msleep"  
[7,] "ggplot2" "/home/mrdwab/R/library" "presidential" 
[8,] "ggplot2" "/home/mrdwab/R/library" "seals"  
    Title                
[1,] "Prices of 50,000 round cut diamonds"        
[2,] "US economic time series."           
[3,] "Midwest demographics."            
[4,] "Movie information and user ratings from IMDB.com."     
[5,] "Fuel economy data from 1999 and 2008 for 38 popular models of car" 
[6,] "An updated and expanded version of the mammals sleep dataset."  
[7,] "Terms of 10 presidents from Eisenhower to Bush W."     
[8,] "Vector field of seal movements."  

Очевидно, чтобы получить data.frame от просто "Пункт" и "Title" данных, вы можете использовать:

> data.frame(data(package = "ggplot2")$results)[-c(1, 2)] 
      Item                Title 
1  diamonds        Prices of 50,000 round cut diamonds 
2 economics           US economic time series. 
3  midwest            Midwest demographics. 
4  movies     Movie information and user ratings from IMDB.com. 
5   mpg Fuel economy data from 1999 and 2008 for 38 popular models of car 
6  msleep  An updated and expanded version of the mammals sleep dataset. 
7 presidential     Terms of 10 presidents from Eisenhower to Bush W. 
8  seals         Vector field of seal movements.