{a}[图]{{a}}...
{a}{{a}}
{a}{{a}}
What is the result?()
A. Compilation fails.
B. aAaA aAa AAaa AaA
C. AAaa AaA aAa aAaA
D. AaA AAaa aAaA aAa
E. aAa AaA aAaA AAaa
在R中输入 fac<-as.factor(c("aaa","aa","aa","aaa","aa", "a","a","a","a","a","aaa", "a","a","aaa","aa","aaa", "aa","aa","aa","a","aaa", "aa","a","a","a","a","a","aaa","aa","aaa")) 1054,987,816,991,991, 1000,959,912,778,917, 1083,933,814,957,915, 842,912,934,878,990, 808,1079,899,1063,990) 将上述fac中的数据变成新数据fac1,只包含两种"aaa","other",>
A.Moody’s: AAA to BBB - S&P’s: Aaa to Baa
B.Moody’s: Aaa to Baa - S&P’s: AAA to BBB
C.Moody’s: AAA to A - S&P’s: Aaa to A
D.Moody’s: Aaa to A - S&P’s: AAA to A
A.漫入地无线网——漫入地PDSN——归属地AAA——漫入地AAA
B.漫入地PDSN——漫入地无线网——漫入地AAA——归属地AAA
C.漫入地无线网——漫入地PDSN——漫入地AAA——归属地AAA
D.漫入地PDSN——漫入地AAA——归属地PDSN——归属地AAA
A.Administration>AAA
B.Configuration>Users
C.Authentication>AAA
D.Monitor>AAA
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!