regioncode 0.2.0

Updated the code to assign province‘s name to a city based on the year
Added more data like Yunnan and Guizhou
Extended the year range to 2022
Fixed some data errors
Vectorized the merging functions
Corrected the region codes of Xinjiang

Bug fixing

regioncode 0.1.1

• Styled function with tidyverse style
• Rewrote method as convert_to
• Rewrote incompleteName as incomplete_name
• Rewrote language_region and language_trans as to_dialect
• Simplified the codes.
• Added more detailed warning messages.

regioncode 0.0.9

• Enable to provincial-level conversion with province
• Fixed the error of incompleteName
• Simplified the codes.
• Add parameter topinyin & method "2area"
• Remove unnecessary warning about 'code2code'
• Fix the bug in language_region

Initial Version

Basic functions achieved.