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17章分析产品评论里的情绪 #21

@qweetty

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@qweetty

@coderLMN 老师您好!
下面代码运行的错误没看懂,您能帮忙解答一下吗

FPAsins <- str_replace(firstPages,"_0001.html","")
reviewsMeta <- data.frame(asin=FPAsins,one=NA,two=NA,three=NA,four=NA,five=NA,stringsAsFactors=F)

Error in data.frame(asin = FPAsins, one = NA, two = NA, three = NA, four = NA, :
参数值意味着不同的行数: 0, 1

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