Check if a variable is xts or data.frame

StackOverflow https://stackoverflow.com/questions/21882327

  •  13-10-2022
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Question

Well the question says it all..I want to check in one of my functions if a function parameter given is of xts or data frame type. How can I do this?

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Solution

It is a general practice to add is.smth and as.smth functions for these types of checks and conversions:

df <- data.frame()
xt <- xts()
is.data.frame(df)
[1] TRUE
is.data.frame(xt)
[1] FALSE
is.xts(df)
[1] FALSE
is.xts(xt)
[1] TRUE
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