请教关于数据整理的命令方法!感谢!!
现在手头有一份数据如所附所示,中间是各个国家每年的gdp数据,我想要将该数据变成如下面板数据形式以便计算;
此外,如下所附数据所示,我还希望将阿鲁巴的数据单独拎出来成为一列,方便与其他国家计算不同年度的gdp水平的差距:
变量名称: 国家名称 年份 gdp 阿鲁巴
A 2000 45183549 1873452513
A 2001 1263981278 1920111731
A 2002 12830172 1941340782
B 2000 23746127
1873452513
... ... ... .....
请老师同学提点!多谢!!
----------------------- copy starting from the next line -----------------------
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str57 A str17(AQ AR AS AT)
- "Country Name" "2000" "2001" "2002" "2003"
- "阿鲁巴" "1873452513.96648" "1920111731.843575" "1941340782.122905" "2021229050.27933"
- "阿富汗" "" "" "4055176933.369046" "4515563413.825637"
- "安哥拉" "9129594818.607492" "8936063723.201212" "15285594828.41797" "17812705294.32501"
- "阿尔巴尼亚" "3480355188.600633" "3922099470.973132" "4348070165.192606" "5611492282.865817"
- "安道尔共和国" "1434429703.335176" "1496912751.677852" "1733116883.116883" "2398645598.194131"
- "阿拉伯联盟国家" "735131486172.8633" "723369627609.9644" "729106974590.004" "823290269190.9735"
- "阿拉伯联合酋长国" "104337372362.1511" "103311640571.8176" "109816201497.6174" "124346358066.7121"
- "阿根廷" "284203750000" "268696750000" "97724004251.8602" "127586973492.1766"
- "亚美尼亚" "1911563665.39006" "2118467913.378734" "2376335048.399755" "2807061008.690845"
- end
------------------ copy up to and including the previous line ------------------
Listed 10 out of 265 observations


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