我有一个类似于数据:填充数据下降到下一行
Alabama Age>50 Value1 Value2 Value3
Age<50 Value1 Value2 Value3
Alaska Age>50 Value1 Value2 Value3
Age<50 Value1 Value2 Value3
我只需要保持数据Age<50
。我如何重复状态名称到它下面的行?我创建了一个状态名称的字符串,但我不确定如何将它插入到第一列中的每一行中。
我data.frame
头是:
d <- structure(c("ALABAMA", "", "ALASKA", "", "ARIZONA", "", "Under 18",
"Total all ages", "Under 18", "Total all ages", "Under 18", "Total all ages",
"0", "1", "10", "87", "46", "303", "0", "0", "0", "36", "6", "855", "84,843",
"", "469,145", "", "6,303,555", ""), .Dim = c(6L, 5L), .Dimnames = list(NULL,
c("State", "", "Rape3", "Prostitution and\ncommercialized\nvice",
"2014\nestimated \npopulation")))
参见[这里](http://stackoverflow.com/questions/14843887/in-r-merge-two-data-frames-fill-down-the-blanks)填补空白。试试像这样过滤'df < - df [df $ age_column =='Age> 50“,]'其中df是一个数据框。 – Mist
你的数据是什么类型的对象还不是很清楚。你可以发布'dput(head(yourdata))'的结果吗? – Molx
结果: 结构(c“ALABAMA”,“”,“ALASKA”,“”,“ARIZONA”,“”,“未满18岁”, “所有年龄的人共计”,“未满18岁”,“总计全部“18岁以下”,“所有年龄的人共计”, “0”,“1”,“10”,“87”,“46”,“303”,“0”,“0”,“ ,“36”,“6”, “855”,“84,843”,“”,“469,145”,“”,“6,303,555”,“”),.Dim = c(6L, 5L),.Dimnames = list(NULL,c(“State”,“”,“Rape3”,“Prostitution and \ ncommercialized \ nvice”, “2014 \ nestimated \ npopulation”))) – Tom