'How to apply an operation to a specific Column in R [duplicate]
I have date in the first column and prices of a stock in the second column and I have imported this file in R as Y. I want the log differences of the closing prices while preserving the first column of date as is. I want to save the result as spReturns.
I came up with the following code:
spReturns = df <- transform(Y, Close = diff(log(Close)))
But, I am getting this error:
Error in `[<-.data.frame`(`*tmp*`, inx[matched], value = list(Close = c(0.0100854932368533, :
replacement element 1 has 1826 rows, need 1827
Sources
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Source: Stack Overflow
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