Message-ID: <BN8PR04MB62414E86A24A8893E0B83788F9869@BN8PR04MB6241.namprd04.prod.outlook.com>
Date: 2021-02-17T01:00:50Z
From: Martin Morgan
Subject: [Bioc-devel] handling data.frame namespace
In-Reply-To: <f497d98a498b4901ac55991abe0b713a@sfu.ca>
in your package NAMESPACE do you importFrom(data.table, ".I") ?
?On 2/16/21, 7:52 PM, "Bioc-devel on behalf of Alice Yue" <bioc-devel-bounces at r-project.org on behalf of alice_yue at sfu.ca> wrote:
Hello there,
I am working to update the flowGraph package on Bioconductor and I keep getting an error about a missing namespace for the following code (namely ".I" for specifying the row in data.table):
dt <- data.table::as.data.table(vec)[ , list(list(.I)), by=vec]
a code a got from (https://stackoverflow.com/questions/22993637/efficient-r-code-for-finding-indices-associated-with-unique-values-in-vector), it's a faster version of getting the indices of each unique value in a vector.
I had the same problem when I was using ggplot (for column names of data.frames), but in this case I don't know if there is a work around?
Thank you,
Alice
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