error in exists.....
Hi,
I can't create the desired object using the code you provided, but if
I create it in two steps so that E$L[[i]]$T1A1 does exist, exist()
returns TRUE.
E <- new.env()
E$L <- list()
i <- 1
E$L[[i]]$T1A1 <- Sys.time()
# returns: Error in `*tmp*`[[i]] : subscript out of bounds
E$L[[i]] <- list()
E$L[[i]]$T1A1 <- Sys.time()
exists("T1A1", where = E$L[[i]])
# returns: [1] TRUE
str(E$L)
List of 1 $ :List of 1 ..$ T1A1: POSIXct[1:1], format: "2022-12-27 12:47:26" Sarah
On Tue, Dec 27, 2022 at 12:36 PM akshay kulkarni <akshay_e4 at hotmail.com> wrote:
Dear members,
I have the following code:
E <- new.env()
E$L <- list()
i <- 1
E$L[[i]]$T1A1 <- Sys.time()
exists("T1A1", where = E$L[[i]])
Error in list2env(list(1, T1A1 = 1672161002.38743), NULL, <environment>) : attempt to use zero-length variable name I want the output of the exists() function to be TRUE. In any case:
E$L[[1]]$T1A1
[1] "2022-12-27 22:40:02 IST"
Please help me solve this conundrum....
Thanking you,
Yours sincerely,
AKSHAY M KULKARNI
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