阅读背景:

如果为真,则将一列拆分为多个R并提供逻辑值

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I am trying to split one column in a data frame in to multiple columns which hold the values from the original column as new column names. Then if there was an occurrence for that respective column in the original give it a 1 in the new column or 0 if no match. I realize this is not the best way to explain so, for example:I am trying to split one column in a data frame




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