如何在R中将较小的DataFrame附加到另一个DataFrame [英] How to append smaller DataFrame to another DataFrame in R

问题描述

我有一个DataFrame，需要将其发送到质量测试API，该API应该返回另一个DataFrame。

I have a single DataFrame that needs to be sent to a Quality Test API that should return another DataFrame.

但是不幸的是，API没有接受DataFrame作为整个操作，因此我将它逐行切片并将其发送给API。

But unfortunately the API is not accepting the DataFrame as a whole and hence I am slicing it row by row and sending it to the API.

因此，每个请求都得到单行DataFrame。
有人可以告诉我如何将这些单行附加到较大的数据框中吗？

Hence I am getting single row DataFrames with each request. Can someone tell me how I can keep appending these single rows to a larger Data Frame?

推荐答案

您可以使用 bind_rows 将数据帧彼此附加 dplyr 包。

You can append data frames to each other using bind_rows from the dplyr package.

df1 = data.frame(number = c(1, 2, 3, 4), 
                 name=c("Alice", "Bob", "Charlie", "Donna")
df2 = data.frame(number = c(5), name=c("Eve"))
df3 = bind_rows(df1, df2) #df3 has all five rows.

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