了解list
x <- list(a = "a", b = 2)
x$a
## [1] "a"
x$b
## [1] 2
x[["a"]]
## [1] "a"
x[["b"]]
## [1] 2
x[[1]]
## [1] "a"
x[[2]]
## [1] 2
x[1]
## $a
## [1] "a"
x[2]
## $b
## [1] 2
x["a"]
## $a
## [1] "a"
x["b"]
## $b
## [1] 2
str(x)
## List of 2
## $ a: chr "a"
## $ b: num 2
listviewer::jsonedit(wesanderson)
str(wesanderson) # 很完整
## List of 15
## $ GrandBudapest : chr [1:4] "#F1BB7B" "#FD6467" "#5B1A18" "#D67236"
## $ Moonrise1 : chr [1:4] "#F3DF6C" "#CEAB07" "#D5D5D3" "#24281A"
## $ Royal1 : chr [1:4] "#899DA4" "#C93312" "#FAEFD1" "#DC863B"
## $ Moonrise2 : chr [1:4] "#798E87" "#C27D38" "#CCC591" "#29211F"
## $ Cavalcanti : chr [1:5] "#D8B70A" "#02401B" "#A2A475" "#81A88D" ...
## $ Royal2 : chr [1:5] "#9A8822" "#F5CDB4" "#F8AFA8" "#FDDDA0" ...
## $ GrandBudapest2: chr [1:4] "#E6A0C4" "#C6CDF7" "#D8A499" "#7294D4"
## $ Moonrise3 : chr [1:5] "#85D4E3" "#F4B5BD" "#9C964A" "#CDC08C" ...
## $ Chevalier : chr [1:4] "#446455" "#FDD262" "#D3DDDC" "#C7B19C"
## $ Zissou : chr [1:5] "#3B9AB2" "#78B7C5" "#EBCC2A" "#E1AF00" ...
## $ FantasticFox : chr [1:5] "#DD8D29" "#E2D200" "#46ACC8" "#E58601" ...
## $ Darjeeling : chr [1:5] "#FF0000" "#00A08A" "#F2AD00" "#F98400" ...
## $ Rushmore : chr [1:5] "#E1BD6D" "#EABE94" "#0B775E" "#35274A" ...
## $ BottleRocket : chr [1:7] "#A42820" "#5F5647" "#9B110E" "#3F5151" ...
## $ Darjeeling2 : chr [1:5] "#ECCBAE" "#046C9A" "#D69C4E" "#ABDDDE" ...
str(got_chars,list.len = 5)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## ..$ id : int 1022
## ..$ name : chr "Theon Greyjoy"
## ..$ gender : chr "Male"
## ..$ culture : chr "Ironborn"
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1052"
## ..$ id : int 1052
## ..$ name : chr "Tyrion Lannister"
## ..$ gender : chr "Male"
## ..$ culture : chr ""
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1074"
## ..$ id : int 1074
## ..$ name : chr "Victarion Greyjoy"
## ..$ gender : chr "Male"
## ..$ culture : chr "Ironborn"
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1109"
## ..$ id : int 1109
## ..$ name : chr "Will"
## ..$ gender : chr "Male"
## ..$ culture : chr ""
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1166"
## ..$ id : int 1166
## ..$ name : chr "Areo Hotah"
## ..$ gender : chr "Male"
## ..$ culture : chr "Norvoshi"
## .. [list output truncated]
## [list output truncated]
str(got_chars[[1]][[1]])
## chr "https://www.anapioficeandfire.com/api/characters/1022"
str(got_chars[[1]],list.len = 5)
## List of 18
## $ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## $ id : int 1022
## $ name : chr "Theon Greyjoy"
## $ gender : chr "Male"
## $ culture : chr "Ironborn"
## [list output truncated]
listviewer::jsonedit(got_chars)
str(gh_users,max.level = 1)
## List of 6
## $ :List of 30
## $ :List of 30
## $ :List of 30
## $ :List of 30
## $ :List of 30
## $ :List of 30
listviewer::jsonedit(gh_users)
str(gh_repos,max.level = 1,list.len = 5)
## List of 6
## $ :List of 30
## $ :List of 30
## $ :List of 30
## $ :List of 26
## $ :List of 30
## [list output truncated]
str(gh_repos,max.level = 2,list.len = 5)
## List of 6
## $ :List of 30
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## .. [list output truncated]
## $ :List of 30
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## .. [list output truncated]
## $ :List of 30
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## .. [list output truncated]
## $ :List of 26
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## .. [list output truncated]
## $ :List of 30
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## ..$ :List of 68
## .. [list output truncated]
## [list output truncated]
练习
str(wesanderson)
## List of 15
## $ GrandBudapest : chr [1:4] "#F1BB7B" "#FD6467" "#5B1A18" "#D67236"
## $ Moonrise1 : chr [1:4] "#F3DF6C" "#CEAB07" "#D5D5D3" "#24281A"
## $ Royal1 : chr [1:4] "#899DA4" "#C93312" "#FAEFD1" "#DC863B"
## $ Moonrise2 : chr [1:4] "#798E87" "#C27D38" "#CCC591" "#29211F"
## $ Cavalcanti : chr [1:5] "#D8B70A" "#02401B" "#A2A475" "#81A88D" ...
## $ Royal2 : chr [1:5] "#9A8822" "#F5CDB4" "#F8AFA8" "#FDDDA0" ...
## $ GrandBudapest2: chr [1:4] "#E6A0C4" "#C6CDF7" "#D8A499" "#7294D4"
## $ Moonrise3 : chr [1:5] "#85D4E3" "#F4B5BD" "#9C964A" "#CDC08C" ...
## $ Chevalier : chr [1:4] "#446455" "#FDD262" "#D3DDDC" "#C7B19C"
## $ Zissou : chr [1:5] "#3B9AB2" "#78B7C5" "#EBCC2A" "#E1AF00" ...
## $ FantasticFox : chr [1:5] "#DD8D29" "#E2D200" "#46ACC8" "#E58601" ...
## $ Darjeeling : chr [1:5] "#FF0000" "#00A08A" "#F2AD00" "#F98400" ...
## $ Rushmore : chr [1:5] "#E1BD6D" "#EABE94" "#0B775E" "#35274A" ...
## $ BottleRocket : chr [1:7] "#A42820" "#5F5647" "#9B110E" "#3F5151" ...
## $ Darjeeling2 : chr [1:5] "#ECCBAE" "#046C9A" "#D69C4E" "#ABDDDE" ...
str(wesanderson,max.level = 0)
## List of 15
str(wesanderson,max.level = 1)
## List of 15
## $ GrandBudapest : chr [1:4] "#F1BB7B" "#FD6467" "#5B1A18" "#D67236"
## $ Moonrise1 : chr [1:4] "#F3DF6C" "#CEAB07" "#D5D5D3" "#24281A"
## $ Royal1 : chr [1:4] "#899DA4" "#C93312" "#FAEFD1" "#DC863B"
## $ Moonrise2 : chr [1:4] "#798E87" "#C27D38" "#CCC591" "#29211F"
## $ Cavalcanti : chr [1:5] "#D8B70A" "#02401B" "#A2A475" "#81A88D" ...
## $ Royal2 : chr [1:5] "#9A8822" "#F5CDB4" "#F8AFA8" "#FDDDA0" ...
## $ GrandBudapest2: chr [1:4] "#E6A0C4" "#C6CDF7" "#D8A499" "#7294D4"
## $ Moonrise3 : chr [1:5] "#85D4E3" "#F4B5BD" "#9C964A" "#CDC08C" ...
## $ Chevalier : chr [1:4] "#446455" "#FDD262" "#D3DDDC" "#C7B19C"
## $ Zissou : chr [1:5] "#3B9AB2" "#78B7C5" "#EBCC2A" "#E1AF00" ...
## $ FantasticFox : chr [1:5] "#DD8D29" "#E2D200" "#46ACC8" "#E58601" ...
## $ Darjeeling : chr [1:5] "#FF0000" "#00A08A" "#F2AD00" "#F98400" ...
## $ Rushmore : chr [1:5] "#E1BD6D" "#EABE94" "#0B775E" "#35274A" ...
## $ BottleRocket : chr [1:7] "#A42820" "#5F5647" "#9B110E" "#3F5151" ...
## $ Darjeeling2 : chr [1:5] "#ECCBAE" "#046C9A" "#D69C4E" "#ABDDDE" ...
str(wesanderson,max.level = 2)
## List of 15
## $ GrandBudapest : chr [1:4] "#F1BB7B" "#FD6467" "#5B1A18" "#D67236"
## $ Moonrise1 : chr [1:4] "#F3DF6C" "#CEAB07" "#D5D5D3" "#24281A"
## $ Royal1 : chr [1:4] "#899DA4" "#C93312" "#FAEFD1" "#DC863B"
## $ Moonrise2 : chr [1:4] "#798E87" "#C27D38" "#CCC591" "#29211F"
## $ Cavalcanti : chr [1:5] "#D8B70A" "#02401B" "#A2A475" "#81A88D" ...
## $ Royal2 : chr [1:5] "#9A8822" "#F5CDB4" "#F8AFA8" "#FDDDA0" ...
## $ GrandBudapest2: chr [1:4] "#E6A0C4" "#C6CDF7" "#D8A499" "#7294D4"
## $ Moonrise3 : chr [1:5] "#85D4E3" "#F4B5BD" "#9C964A" "#CDC08C" ...
## $ Chevalier : chr [1:4] "#446455" "#FDD262" "#D3DDDC" "#C7B19C"
## $ Zissou : chr [1:5] "#3B9AB2" "#78B7C5" "#EBCC2A" "#E1AF00" ...
## $ FantasticFox : chr [1:5] "#DD8D29" "#E2D200" "#46ACC8" "#E58601" ...
## $ Darjeeling : chr [1:5] "#FF0000" "#00A08A" "#F2AD00" "#F98400" ...
## $ Rushmore : chr [1:5] "#E1BD6D" "#EABE94" "#0B775E" "#35274A" ...
## $ BottleRocket : chr [1:7] "#A42820" "#5F5647" "#9B110E" "#3F5151" ...
## $ Darjeeling2 : chr [1:5] "#ECCBAE" "#046C9A" "#D69C4E" "#ABDDDE" ...
str(got_chars,max.level = 0)
## List of 30
str(got_chars,max.level = 1)
## List of 30
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
## $ :List of 18
str(got_chars,max.level = 2,list.len = 2)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## ..$ id : int 1022
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1052"
## ..$ id : int 1052
## .. [list output truncated]
## [list output truncated]
str(got_chars,max.level = 3,list.len = 2)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## ..$ id : int 1022
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1052"
## ..$ id : int 1052
## .. [list output truncated]
## [list output truncated]
str(got_chars,list.len = 0)
## List of 30
## [list output truncated]
str(got_chars,list.len = 1)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## .. [list output truncated]
## [list output truncated]
str(got_chars,list.len = 2,max.level = 2)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## ..$ id : int 1022
## .. [list output truncated]
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1052"
## ..$ id : int 1052
## .. [list output truncated]
## [list output truncated]
got_chars %>% listviewer::jsonedit()
str(got_chars,max.level = 1,list.len = 1)
## List of 30
## $ :List of 18
## [list output truncated]
str(got_chars,max.level = 2,list.len = 1)
## List of 30
## $ :List of 18
## ..$ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## .. [list output truncated]
## [list output truncated]
str(got_chars[[1]])
## List of 18
## $ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## $ id : int 1022
## $ name : chr "Theon Greyjoy"
## $ gender : chr "Male"
## $ culture : chr "Ironborn"
## $ born : chr "In 278 AC or 279 AC, at Pyke"
## $ died : chr ""
## $ alive : logi TRUE
## $ titles : chr [1:3] "Prince of Winterfell" "Captain of Sea Bitch" "Lord of the Iron Islands (by law of the green lands)"
## $ aliases : chr [1:4] "Prince of Fools" "Theon Turncloak" "Reek" "Theon Kinslayer"
## $ father : chr ""
## $ mother : chr ""
## $ spouse : chr ""
## $ allegiances: chr "House Greyjoy of Pyke"
## $ books : chr [1:3] "A Game of Thrones" "A Storm of Swords" "A Feast for Crows"
## $ povBooks : chr [1:2] "A Clash of Kings" "A Dance with Dragons"
## $ tvSeries : chr [1:6] "Season 1" "Season 2" "Season 3" "Season 4" ...
## $ playedBy : chr "Alfie Allen"
str(got_chars[[1]],max.level = 0)
## List of 18
str(got_chars[[1]],max.level = 1)
## List of 18
## $ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## $ id : int 1022
## $ name : chr "Theon Greyjoy"
## $ gender : chr "Male"
## $ culture : chr "Ironborn"
## $ born : chr "In 278 AC or 279 AC, at Pyke"
## $ died : chr ""
## $ alive : logi TRUE
## $ titles : chr [1:3] "Prince of Winterfell" "Captain of Sea Bitch" "Lord of the Iron Islands (by law of the green lands)"
## $ aliases : chr [1:4] "Prince of Fools" "Theon Turncloak" "Reek" "Theon Kinslayer"
## $ father : chr ""
## $ mother : chr ""
## $ spouse : chr ""
## $ allegiances: chr "House Greyjoy of Pyke"
## $ books : chr [1:3] "A Game of Thrones" "A Storm of Swords" "A Feast for Crows"
## $ povBooks : chr [1:2] "A Clash of Kings" "A Dance with Dragons"
## $ tvSeries : chr [1:6] "Season 1" "Season 2" "Season 3" "Season 4" ...
## $ playedBy : chr "Alfie Allen"
str(got_chars[[1]],max.level = 2)
## List of 18
## $ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## $ id : int 1022
## $ name : chr "Theon Greyjoy"
## $ gender : chr "Male"
## $ culture : chr "Ironborn"
## $ born : chr "In 278 AC or 279 AC, at Pyke"
## $ died : chr ""
## $ alive : logi TRUE
## $ titles : chr [1:3] "Prince of Winterfell" "Captain of Sea Bitch" "Lord of the Iron Islands (by law of the green lands)"
## $ aliases : chr [1:4] "Prince of Fools" "Theon Turncloak" "Reek" "Theon Kinslayer"
## $ father : chr ""
## $ mother : chr ""
## $ spouse : chr ""
## $ allegiances: chr "House Greyjoy of Pyke"
## $ books : chr [1:3] "A Game of Thrones" "A Storm of Swords" "A Feast for Crows"
## $ povBooks : chr [1:2] "A Clash of Kings" "A Dance with Dragons"
## $ tvSeries : chr [1:6] "Season 1" "Season 2" "Season 3" "Season 4" ...
## $ playedBy : chr "Alfie Allen"
str(got_chars[[1]],max.level = 2,list.len = 5)
## List of 18
## $ url : chr "https://www.anapioficeandfire.com/api/characters/1022"
## $ id : int 1022
## $ name : chr "Theon Greyjoy"
## $ gender : chr "Male"
## $ culture : chr "Ironborn"
## [list output truncated]