1

我正在使用交通部的一些大型政府数据集，这些数据集以制表符分隔的文本文件形式提供，并附有数据字典。例如，汽车投诉文件是一个 670Mb 的未标记数据文件（解压缩时），并带有一个字典。以下是一些摘录：

Last updated: April 24, 2014

FIELDS:
=======

Field#  Name            Type/Size     Description                      
------  ---------       ---------     --------------------------------------
1       CMPLID          CHAR(9)       NHTSA'S INTERNAL UNIQUE SEQUENCE NUMBER.
                                      IS AN UPDATEABLE FIELD,THUS DATA FOR A
                                      GIVEN RECORD POTENTIALLY COULD CHANGE FROM 
                                      ONE DATA OUTPUT FILE TO THE NEXT. 
2       ODINO           CHAR(9)       NHTSA'S INTERNAL REFERENCE NUMBER. 
                                      THIS NUMBER MAY BE REPEATED FOR 
                                      MULTIPLE COMPONENTS.
                                      ALSO, IF LDATE IS PRIOR TO DEC 15, 2002, 
                                      THIS NUMBER MAY BE REPEATED FOR MULTIPLE 
                                      PRODUCTS OWNED BY THE SAME COMPLAINANT.

一些字段的外键如下所示：

21      CMPL_TYPE       CHAR(4)       SOURCE OF COMPLAINT CODE:
                                        CAG  =CONSUMER ACTION GROUP
                                        CON  =FORWARDED FROM A CONGRESSIONAL OFFICE
                                        DP   =DEFECT PETITION,RESULT OF A DEFECT PETITION
                                        EVOQ =HOTLINE VOQ
                                        EWR  =EARLY WARNING REPORTING
                                        INS  =INSURANCE COMPANY
                                        IVOQ =NHTSA WEB SITE
                                        LETR =CONSUMER LETTER
                                        MAVQ =NHTSA MOBILE APP
                                        MIVQ =NHTSA MOBILE APP
                                        MVOQ =OPTICAL MARKED VOQ
                                        RC   =RECALL COMPLAINT,RESULT OF A RECALL INVESTIGATION
                                        RP   =RECALL PETITION,RESULT OF A RECALL PETITION
                                        SVOQ =PORTABLE SAFETY COMPLAINT FORM (PDF)
                                        VOQ  =NHTSA VEHICLE OWNERS QUESTIONNAIRE

Microsoft Access有导入说明，我没有，如果有，也不会使用。但我认为这个数据字典应该是机器可读的。

我的问题：这个数据字典是某种标准格式吗？我试过用谷歌搜索，但如果没有正确的术语，很难做到这一点。我想导入R，但我很灵活，只要它可以以编程方式完成。

4

0 回答 0