Hi, guys!
recently i'm working on geo-coding with stata. but i have some problem.
First, when i run geocode3 command which provide latitude and longitude of one place , but there is a error message that Return code was not ok , assertion is false. here is my code and data.
·geocode3, address(capitol)
the capitol includes wuhan,hubei,china shanghai,china, beijing,china shenzhen,guangdong, china,
Second, i also run mqtime to get the travel time between two cities, but when i run the example.do file ,the return is all missing value.
I am working on these problems for several days, if you can give me some advice ,i will appreciate a lot
THANKS FOR YOUR HELP.
recently i'm working on geo-coding with stata. but i have some problem.
First, when i run geocode3 command which provide latitude and longitude of one place , but there is a error message that Return code was not ok , assertion is false. here is my code and data.
·geocode3, address(capitol)
the capitol includes wuhan,hubei,china shanghai,china, beijing,china shenzhen,guangdong, china,
Second, i also run mqtime to get the travel time between two cities, but when i run the example.do file ,the return is all missing value.
I am working on these problems for several days, if you can give me some advice ,i will appreciate a lot
THANKS FOR YOUR HELP.