我有一个来自数据提供者的JSON文件，格式如下（在帖子结尾）。
我可以使用jsonlite将JSON读入R，但是最后一列是列表，我不知道如何解压缩列表。第二列为空，最后一列是包含15个条目的列表。
example <- fromJSON('example.json')
summary(example)
ScoreId Season SeasonType Week Day DateTime
Min. :16878 Min. :2018 Min. :1 Min. :16 Length:16 Length:16
1st Qu.:16882 1st Qu.:2018 1st Qu.:1 1st Qu.:16 Class :character Class :character
Median :16886 Median :2018 Median :1 Median :16 Mode :character Mode :character
Mean :16886 Mean :2018 Mean :1 Mean :16
3rd Qu.:16889 3rd Qu.:2018 3rd Qu.:1 3rd Qu.:16
Max. :16893 Max. :2018 Max. :1 Max. :16
...
PregameOdds.Length PregameOdds.Class PregameOdds.Mode
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
0 -none- list
LiveOdds.Length LiveOdds.Class LiveOdds.Mode
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
15 data.frame list
尽管看起来它是首选的库，但我不愿意jsonlite参加。
文件：
[{
"ScoreId": 16881,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-22T00:00:00",
"DateTime": "2018-12-22T16:30:00",
"AwayTeamId": 35,
"HomeTeamId": 34,
"AwayTeamName": "WAS",
"HomeTeamName": "TEN",
"GlobalGameId": 16881,
"GlobalAwayTeamId": 35,
"GlobalHomeTeamId": 34,
"HomeTeamScore": 28,
"AwayTeamScore": 18,
"TotalScore": 46,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 95703,
"Sportsbook": null,
"ScoreId": 16881,
"Created": "2018-12-22T19:04:18",
"Updated": "2018-12-22T19:24:55",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 0.0,
"AwayPointSpread": 0.0,
"HomePointSpreadPayout": -281,
"AwayPointSpreadPayout": 238,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16889,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-22T00:00:00",
"DateTime": "2018-12-22T20:20:00",
"AwayTeamId": 3,
"HomeTeamId": 29,
"AwayTeamName": "BAL",
"HomeTeamName": "LAC",
"GlobalGameId": 16889,
"GlobalAwayTeamId": 3,
"GlobalHomeTeamId": 29,
"HomeTeamScore": 11,
"AwayTeamScore": 24,
"TotalScore": 36,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 95933,
"Sportsbook": null,
"ScoreId": 16889,
"Created": "2018-12-22T23:12:29",
"Updated": "2018-12-22T23:24:59",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 13.0,
"AwayPointSpread": -13.0,
"HomePointSpreadPayout": 132,
"AwayPointSpreadPayout": -172,
"OverUnder": 36.6,
"OverPayout": 117,
"UnderPayout": -147
}]
}, {
"ScoreId": 16878,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 7,
"HomeTeamId": 8,
"AwayTeamName": "CIN",
"HomeTeamName": "CLE",
"GlobalGameId": 16878,
"GlobalAwayTeamId": 7,
"GlobalHomeTeamId": 8,
"HomeTeamScore": 29,
"AwayTeamScore": 20,
"TotalScore": 49,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 98674,
"Sportsbook": null,
"ScoreId": 16878,
"Created": "2018-12-23T14:22:38",
"Updated": "2018-12-23T15:54:51",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": -20.8,
"AwayPointSpread": 20.8,
"HomePointSpreadPayout": -153,
"AwayPointSpreadPayout": 119,
"OverUnder": 40.0,
"OverPayout": -148,
"UnderPayout": 116
}]
}, {
"ScoreId": 16879,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 33,
"HomeTeamId": 9,
"AwayTeamName": "TB",
"HomeTeamName": "DAL",
"GlobalGameId": 16879,
"GlobalAwayTeamId": 33,
"GlobalHomeTeamId": 9,
"HomeTeamScore": 30,
"AwayTeamScore": 22,
"TotalScore": 52,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99556,
"Sportsbook": null,
"ScoreId": 16879,
"Created": "2018-12-23T15:49:51",
"Updated": "2018-12-23T16:09:54",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": -15.2,
"AwayPointSpread": 15.2,
"HomePointSpreadPayout": -362,
"AwayPointSpreadPayout": 258,
"OverUnder": 45.6,
"OverPayout": 118,
"UnderPayout": -148
}]
}, {
"ScoreId": 16880,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 20,
"HomeTeamId": 11,
"AwayTeamName": "MIN",
"HomeTeamName": "DET",
"GlobalGameId": 16880,
"GlobalAwayTeamId": 20,
"GlobalHomeTeamId": 11,
"HomeTeamScore": 10,
"AwayTeamScore": 30,
"TotalScore": 40,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99448,
"Sportsbook": null,
"ScoreId": 16880,
"Created": "2018-12-23T15:36:07",
"Updated": "2018-12-23T16:19:49",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 16.3,
"AwayPointSpread": -16.3,
"HomePointSpreadPayout": 200,
"AwayPointSpreadPayout": -231,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16882,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 23,
"HomeTeamId": 14,
"AwayTeamName": "NYG",
"HomeTeamName": "IND",
"GlobalGameId": 16882,
"GlobalAwayTeamId": 23,
"GlobalHomeTeamId": 14,
"HomeTeamScore": 31,
"AwayTeamScore": 30,
"TotalScore": 61,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99596,
"Sportsbook": null,
"ScoreId": 16882,
"Created": "2018-12-23T15:58:43",
"Updated": "2018-12-23T16:09:54",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 0.0,
"AwayPointSpread": 0.0,
"HomePointSpreadPayout": -273,
"AwayPointSpreadPayout": 233,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16883,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 15,
"HomeTeamId": 19,
"AwayTeamName": "JAX",
"HomeTeamName": "MIA",
"GlobalGameId": 16883,
"GlobalAwayTeamId": 15,
"GlobalHomeTeamId": 19,
"HomeTeamScore": 7,
"AwayTeamScore": 19,
"TotalScore": 27,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99402,
"Sportsbook": null,
"ScoreId": 16883,
"Created": "2018-12-23T15:28:43",
"Updated": "2018-12-23T15:59:57",
"HomeMoneyLine": 169,
"AwayMoneyLine": -236,
"DrawMoneyLine": null,
"HomePointSpread": 2.8,
"AwayPointSpread": -2.8,
"HomePointSpreadPayout": 139,
"AwayPointSpreadPayout": -178,
"OverUnder": 28.7,
"OverPayout": 130,
"UnderPayout": -165
}]
}, {
"ScoreId": 16884,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 4,
"HomeTeamId": 21,
"AwayTeamName": "BUF",
"HomeTeamName": "NE",
"GlobalGameId": 16884,
"GlobalAwayTeamId": 4,
"GlobalHomeTeamId": 21,
"HomeTeamScore": 27,
"AwayTeamScore": 13,
"TotalScore": 40,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 98928,
"Sportsbook": null,
"ScoreId": 16884,
"Created": "2018-12-23T14:50:56",
"Updated": "2018-12-23T16:09:54",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": -19.7,
"AwayPointSpread": 19.7,
"HomePointSpreadPayout": 160,
"AwayPointSpreadPayout": -206,
"OverUnder": 42.3,
"OverPayout": -120,
"UnderPayout": -135
}]
}, {
"ScoreId": 16885,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 12,
"HomeTeamId": 24,
"AwayTeamName": "GB",
"HomeTeamName": "NYJ",
"GlobalGameId": 16885,
"GlobalAwayTeamId": 12,
"GlobalHomeTeamId": 24,
"HomeTeamScore": 42,
"AwayTeamScore": 49,
"TotalScore": 92,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99828,
"Sportsbook": null,
"ScoreId": 16885,
"Created": "2018-12-23T16:37:09",
"Updated": "2018-12-23T16:59:50",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 0.0,
"AwayPointSpread": 0.0,
"HomePointSpreadPayout": 145,
"AwayPointSpreadPayout": -189,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16886,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 13,
"HomeTeamId": 26,
"AwayTeamName": "HOU",
"HomeTeamName": "PHI",
"GlobalGameId": 16886,
"GlobalAwayTeamId": 13,
"GlobalHomeTeamId": 26,
"HomeTeamScore": 36,
"AwayTeamScore": 33,
"TotalScore": 69,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 99727,
"Sportsbook": null,
"ScoreId": 16886,
"Created": "2018-12-23T16:19:15",
"Updated": "2018-12-23T16:24:59",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 0.0,
"AwayPointSpread": 0.0,
"HomePointSpreadPayout": -786,
"AwayPointSpreadPayout": 579,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16887,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T13:00:00",
"AwayTeamId": 2,
"HomeTeamId": 5,
"AwayTeamName": "ATL",
"HomeTeamName": "CAR",
"GlobalGameId": 16887,
"GlobalAwayTeamId": 2,
"GlobalHomeTeamId": 5,
"HomeTeamScore": 11,
"AwayTeamScore": 27,
"TotalScore": 38,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 98708,
"Sportsbook": null,
"ScoreId": 16887,
"Created": "2018-12-23T14:24:55",
"Updated": "2018-12-23T16:14:49",
"HomeMoneyLine": 113,
"AwayMoneyLine": -158,
"DrawMoneyLine": null,
"HomePointSpread": 2.8,
"AwayPointSpread": -2.8,
"HomePointSpreadPayout": -112,
"AwayPointSpreadPayout": -142,
"OverUnder": 49.0,
"OverPayout": -116,
"UnderPayout": -137
}]
}, {
"ScoreId": 16888,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T16:05:00",
"AwayTeamId": 32,
"HomeTeamId": 1,
"AwayTeamName": "LAR",
"HomeTeamName": "ARI",
"GlobalGameId": 16888,
"GlobalAwayTeamId": 32,
"GlobalHomeTeamId": 1,
"HomeTeamScore": 10,
"AwayTeamScore": 34,
"TotalScore": 45,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 100259,
"Sportsbook": null,
"ScoreId": 16888,
"Created": "2018-12-23T18:37:44",
"Updated": "2018-12-23T19:09:59",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 25.4,
"AwayPointSpread": -25.4,
"HomePointSpreadPayout": -274,
"AwayPointSpreadPayout": 233,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16890,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T16:05:00",
"AwayTeamId": 6,
"HomeTeamId": 31,
"AwayTeamName": "CHI",
"HomeTeamName": "SF",
"GlobalGameId": 16890,
"GlobalAwayTeamId": 6,
"GlobalHomeTeamId": 31,
"HomeTeamScore": 10,
"AwayTeamScore": 15,
"TotalScore": 25,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 100317,
"Sportsbook": null,
"ScoreId": 16890,
"Created": "2018-12-23T19:00:17",
"Updated": "2018-12-23T19:19:59",
"HomeMoneyLine": 1350,
"AwayMoneyLine": -2819,
"DrawMoneyLine": null,
"HomePointSpread": null,
"AwayPointSpread": null,
"HomePointSpreadPayout": null,
"AwayPointSpreadPayout": null,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16891,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T16:25:00",
"AwayTeamId": 28,
"HomeTeamId": 22,
"AwayTeamName": "PIT",
"HomeTeamName": "NO",
"GlobalGameId": 16891,
"GlobalAwayTeamId": 28,
"GlobalHomeTeamId": 22,
"HomeTeamScore": 34,
"AwayTeamScore": 31,
"TotalScore": 66,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 100417,
"Sportsbook": null,
"ScoreId": 16891,
"Created": "2018-12-23T19:43:32",
"Updated": "2018-12-23T19:59:58",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": 0.0,
"AwayPointSpread": 0.0,
"HomePointSpreadPayout": -244,
"AwayPointSpreadPayout": 211,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16892,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-23T00:00:00",
"DateTime": "2018-12-23T20:20:00",
"AwayTeamId": 16,
"HomeTeamId": 30,
"AwayTeamName": "KC",
"HomeTeamName": "SEA",
"GlobalGameId": 16892,
"GlobalAwayTeamId": 16,
"GlobalHomeTeamId": 30,
"HomeTeamScore": 42,
"AwayTeamScore": 34,
"TotalScore": 77,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 100950,
"Sportsbook": null,
"ScoreId": 16892,
"Created": "2018-12-23T23:41:01",
"Updated": "2018-12-23T23:54:58",
"HomeMoneyLine": -2257,
"AwayMoneyLine": 1193,
"DrawMoneyLine": null,
"HomePointSpread": -1.7,
"AwayPointSpread": 1.7,
"HomePointSpreadPayout": -1688,
"AwayPointSpreadPayout": 741,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}, {
"ScoreId": 16893,
"Season": 2018,
"SeasonType": 1,
"Week": 16,
"Day": "2018-12-24T00:00:00",
"DateTime": "2018-12-24T20:15:00",
"AwayTeamId": 10,
"HomeTeamId": 25,
"AwayTeamName": "DEN",
"HomeTeamName": "OAK",
"GlobalGameId": 16893,
"GlobalAwayTeamId": 10,
"GlobalHomeTeamId": 25,
"HomeTeamScore": 30,
"AwayTeamScore": 15,
"TotalScore": 46,
"PregameOdds": [],
"LiveOdds": [{
"GameOddId": 101804,
"Sportsbook": null,
"ScoreId": 16893,
"Created": "2018-12-24T22:58:47",
"Updated": "2018-12-24T23:24:51",
"HomeMoneyLine": null,
"AwayMoneyLine": null,
"DrawMoneyLine": null,
"HomePointSpread": -10.7,
"AwayPointSpread": 10.7,
"HomePointSpreadPayout": -110,
"AwayPointSpreadPayout": -127,
"OverUnder": null,
"OverPayout": null,
"UnderPayout": null
}]
}]
答案 0 :(得分：1)
一个选择是unnest
library(tidyverse)
library(jsonlite)
out <- fromJSON("example.json") %>%
select(-PregameOdds) %>% # remove the column with empty list
unnest(LiveOdds)
-结构
str(out)
#'data.frame': 16 obs. of 31 variables:
# $ ScoreId : int 16881 16889 16878 16879 16880 16882 16883 16884 16885 16886 ...
# $ Season : int 2018 2018 2018 2018 2018 2018 2018 2018 2018 2018 ...
# $ SeasonType : int 1 1 1 1 1 1 1 1 1 1 ...
# $ Week : int 16 16 16 16 16 16 16 16 16 16 ...
# $ Day : chr "2018-12-22T00:00:00" "2018-12-22T00:00:00" "2018-12-23T00:00:00" "2018-12-23T00:00:00" ...
# $ DateTime : chr "2018-12-22T16:30:00" "2018-12-22T20:20:00" "2018-12-23T13:00:00" "2018-12-23T13:00:00" ...
# $ AwayTeamId : int 35 3 7 33 20 23 15 4 12 13 ...
# $ HomeTeamId : int 34 29 8 9 11 14 19 21 24 26 ...
# $ AwayTeamName : chr "WAS" "BAL" "CIN" "TB" ...
# $ HomeTeamName : chr "TEN" "LAC" "CLE" "DAL" ...
# $ GlobalGameId : int 16881 16889 16878 16879 16880 16882 16883 16884 16885 16886 ...
# $ GlobalAwayTeamId : int 35 3 7 33 20 23 15 4 12 13 ...
# $ GlobalHomeTeamId : int 34 29 8 9 11 14 19 21 24 26 ...
# $ HomeTeamScore : int 28 11 29 30 10 31 7 27 42 36 ...
# $ AwayTeamScore : int 18 24 20 22 30 30 19 13 49 33 ...
# $ TotalScore : int 46 36 49 52 40 61 27 40 92 69 ...
# $ GameOddId : int 95703 95933 98674 99556 99448 99596 99402 98928 99828 99727 ...
# $ Sportsbook : logi NA NA NA NA NA NA ...
# $ ScoreId1 : int 16881 16889 16878 16879 16880 16882 16883 16884 16885 16886 ...
# $ Created : chr "2018-12-22T19:04:18" "2018-12-22T23:12:29" "2018-12-23T14:22:38" "2018-12-23T15:49:51" ...
# $ Updated : chr "2018-12-22T19:24:55" "2018-12-22T23:24:59" "2018-12-23T15:54:51" "2018-12-23T16:09:54" ...
# $ HomeMoneyLine : int NA NA NA NA NA NA 169 NA NA NA ...
# $ AwayMoneyLine : int NA NA NA NA NA NA -236 NA NA NA ...
# $ DrawMoneyLine : logi NA NA NA NA NA NA ...
# $ HomePointSpread : num 0 13 -20.8 -15.2 16.3 0 2.8 -19.7 0 0 ...
# $ AwayPointSpread : num 0 -13 20.8 15.2 -16.3 0 -2.8 19.7 0 0 ...
# $ HomePointSpreadPayout: int -281 132 -153 -362 200 -273 139 160 145 -786 ...
# $ AwayPointSpreadPayout: int 238 -172 119 258 -231 233 -178 -206 -189 579 ...
# $ OverUnder : num NA 36.6 40 45.6 NA NA 28.7 42.3 NA NA ...
# $ OverPayout : int NA 117 -148 118 NA NA 130 -120 NA NA ...
# $ UnderPayout : int NA -147 116 -148 NA NA -165 -135 NA NA ...
答案 1 :(得分：0)
我知道您可以使用unlist()软件包中的flatten()或purrr。