test
load all data
xiaoba
add some files
explore the data by time series analysis
add geofunction
modify GeoFunction
add geodistance function
add some data
modify gitignore
some small changes
Delete datalist1011A201309.Rdata
Delete ChinaAQStations.csv
Delete datalist201309.Rdata
Delete datalistbj201309.Rdata
modify source files
Merge branch 'master' of https://github.com/xiruizhifu/RAQData
commit
Merge branch 'master' of https://github.com/xiruizhifu/RAQData
Merge branch 'master' of https://github.com/xiruizhifu/RAQData