如何在不排序键的情况下将 JSON 转换为 R 中的数据框答案

【问题标题】：How to convert JSON to data frame in R without sorting keys如何在不排序键的情况下将 JSON 转换为 R 中的数据框
【发布时间】：2020-10-10 11:00:51
【问题描述】：

输入：

json_string <- '{
    "Chamber": ["Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber", "Target Chamber"],
    "P1": [0.5193, 0.5409, 0.5616, 0.5589, 0.5518, 0.5527, 0.5497, 0.5535, 0.5539, 0.5549, 0.5508, 0.5538, 0.5445, 0.5512, 0.554, 0.5586, 0.5569, 0.5539, 0.5583, 0.5606, 0.5549, 0.5617, 0.5433, 0.5435, 0.5441, 0.5564, 0.5436, 0.5458, 0.5546, 0.5373, 0.533, 0.5373, 0.5399, 0.5547, 0.5601, 0.5416, 0.5497, 0.5393, 0.5595],
    "P9": [0.5155, 0.5334, 0.5599, 0.5512, 0.5456, 0.5454, 0.5466, 0.5495, 0.5471, 0.5546, 0.5437, 0.5491, 0.5424, 0.5465, 0.5495, 0.5594, 0.554, 0.5528, 0.555, 0.5518, 0.5573, 0.5596, 0.5391, 0.5553, 0.5441, 0.5597, 0.559, 0.5612, 0.5485, 0.5507, 0.5442, 0.5373, 0.545, 0.5646, 0.569, 0.5531, 0.5602, 0.5567, 0.5737],
    "P10": [0.5155, 0.5334, 0.5599, 0.5512, 0.5456, 0.5454, 0.5466, 0.5495, 0.5471, 0.5546, 0.5437, 0.5491, 0.5424, 0.5465, 0.5495, 0.5594, 0.554, 0.5528, 0.555, 0.5518, 0.5573, 0.5596, 0.5391, 0.5553, 0.5441, 0.5597, 0.559, 0.5612, 0.5485, 0.5507, 0.5442, 0.5373, 0.545, 0.5646, 0.569, 0.5531, 0.5602, 0.5567, 0.5737],
    "P11": [0.5155, 0.5334, 0.5599, 0.5512, 0.5456, 0.5454, 0.5466, 0.5495, 0.5471, 0.5546, 0.5437, 0.5491, 0.5424, 0.5465, 0.5495, 0.5594, 0.554, 0.5528, 0.555, 0.5518, 0.5573, 0.5596, 0.5391, 0.5553, 0.5441, 0.5597, 0.559, 0.5612, 0.5485, 0.5507, 0.5442, 0.5373, 0.545, 0.5646, 0.569, 0.5531, 0.5602, 0.5567, 0.5737],
    "P12": [0.5149, 0.5375, 0.5556, 0.5517, 0.5456, 0.5451, 0.5428, 0.5479, 0.5495, 0.5534, 0.5434, 0.5486, 0.5415, 0.5462, 0.5478, 0.5597, 0.5494, 0.549, 0.5464, 0.5513, 0.5561, 0.5664, 0.5432, 0.5557, 0.5482, 0.5582, 0.5537, 0.5658, 0.559, 0.546, 0.5372, 0.5378, 0.5484, 0.5612, 0.5656, 0.5495, 0.5649, 0.5638, 0.579]
}'

【问题讨论】：

标签： r jsonlite

【解决方案1】：

这就是你要找的吗？

df <- data.frame(jsonlite::fromJSON(json_string))
head(df)
#>          Chamber     P1     P9    P10    P11    P12
#> 1 Target Chamber 0.5193 0.5155 0.5155 0.5155 0.5149
#> 2 Target Chamber 0.5409 0.5334 0.5334 0.5334 0.5375
#> 3 Target Chamber 0.5616 0.5599 0.5599 0.5599 0.5556
#> 4 Target Chamber 0.5589 0.5512 0.5512 0.5512 0.5517
#> 5 Target Chamber 0.5518 0.5456 0.5456 0.5456 0.5456
#> 6 Target Chamber 0.5527 0.5454 0.5454 0.5454 0.5451

【讨论】：