我试图使用DataFrame将一个Pandas PyMongo插入到Mongodb中。df.head()因为如果PandasDataFrame是DatetimeIndex,则将DataFrame转换为dict并将其插入到Mongodb:
db.testCollection.insertInvalidDocument: documents must have only string keys, key was Timestamp('2016-04-
下面是一个简单的例子: import pandas as pdfrom rpy2.robjects import pandas2ri
pandas2ri.activatedti) 失败并显示ValueError:ValueError: Unknown numpy array type "datetime64[ns]". with rpy2 version 3.3.4和pandas