Hello Everyone,
I am trying to replace the values in the 2nd column (Variable 1)
corresponding to certain dates (Date)
with NAs as shown below. Both Date and Variable1 are numeric vectors . I am
trying to use the transform function
as shown below but it doesn’t seem to work even though if I am not getting
any error
Any suggestions/help in this regard?
regards,
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Df1 <- data.frame(Date, Variable1)
a1 <- transform(Df1, ifelse(Date > "010301000300 " && Date <
"010501000300", Variable1 ==NA, Variable1))
Original Data frame
Date Variable1
010101000300 1
010201000300 2
010301000300 3
010401000300 4
010501000300 5
010601000300 6
010701000300 7
.
.
.
……….
Transformed data frame (i hope to transform)
Date Variable1
010101000300 1
010201000300 2
010301000300 NA
010401000300 NA
010501000300 NA
010601000300 6
010701000300 7
……….
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