Stata
패널 데이터 쌓기
visualy
2017. 4. 1. 19:11
*참조 : https://www.google.co.kr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwimp-3Hk4LTAhVH2LwKHV9zDFcQFggjMAA&url=http%3A%2F%2Fcfile26.uf.tistory.com%2Fattach%2F216C4D4855A4B04B307A75&usg=AFQjCNEyaHti7NNMhYejsKLLiFAA0pOUCA&sig2=14JcN8lr_-lXBl-xIQNyzg&cad=rjt (stata와 함께 춤을)