将向量转换为具有多列的数据框

Question

我有一个向量，如下所示：

("#99" "Hershey" "$6.7 B" "7%" "$4.7 B" "$562 M" "Consumer Packaged Goods"
 "#100" "Costco" "$6.7 B" "14%" "$117.3 B"  "-"  "Retail")

为了简单起见，我只提到了 700 个元素中的几个元素。

我想将其转换为数据框，如下所示：

S.NO  Brand Brandval Change Revenue  Cost   Industry
99  Hershey $6.7 B    7%     $4.7 B  $562M   Consumer Packaged goods
100 Costco  $6.7B     14%    $117.3B  -     Retail

我正在尝试 as.data.frame 但它给我的结果是一列，而我想将其分成 7 列，如上所述。请帮忙。

Answer 1

您可以这样做：根据重复的向量分割向量1:7，然后应用cbind.data.frame。最后，添加列名称

x=c("#99", "Hershey", "$6.7 B", "7%", "$4.7 B", "$562 M", "Consumer Packaged Goods", "#100", "Costco", "$6.7 B", "14%", "$117.3 B",  "-",  "Retail")
res <- cbind.data.frame(split(x, rep(1:7, times=length(x)/7)), stringsAsFactors=F)
names(res) <- c("S.NO", "Brand", "Brandval", "Change", "Revenue", "Cost", "Industry")
str(res)
#### 'data.frame':  2 obs. of  7 variables:
####   $ S.NO    : chr  "#99" "#100"
####   $ Brand   : chr  "Hershey" "Costco"
#### ...

您可以选择该选项StringAsFactors以获得字符或因子列