WebJun 5, 2014 · 1 Answer. If you pass sample a list/data.frame as the first argument it will return a list/data.frame. You can't use a data.frame for subsetting a data.frame. library (plyr) extractDiff <- function (P) { xA <- ddply (P, . (id), function (x) {x [sample (nrow (x), 1) ,] }) # selects only one row for each id in the data frame subA <- xA [sample ... WebDec 28, 2024 · 88. awaves expression builder. hi DZC, this operation is very simple. fist select v (a), then press middle key of your mouse (or press left and right key simultaneous) and drag it to expression window. sencond, click "-" in the oprators. third, use the same opration like the first drag v (b) to the expression window and place it on the right of
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WebA tuple is an (immutable) ordered list of values. A tuple is a sequence of immutable Python objects. Tuples are sequences, just like lists. The differences between tuples and lists are, the tuples cannot be changed unlike lists and tuples use parentheses, whereas lists use square brackets. WebSep 11, 2015 · A powerful language integrated query library for Go. Inspired by Microsoft's LINQ. No dependencies: written in vanilla Go! Tested: 100.0% code coverage on all stable releases. Backwards compatibility: Your integration with the library will not be broken except major releases. Installation $ go get github.com/ahmetalpbalkan/go-linq Quick Start indians in winchester
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WebDiffAb Copied like 0 License: apache-2.0 Model card FilesFiles and versionsCommunity How to clone luost26 commited on 14 days ago Commit a64a21d Copied 1 Parent(s): … WebDiscover amazing ML apps made by the community Websystemd-boot (short: sd-boot) is a simple UEFI boot manager. It provides a. graphical menu to select the entry to boot and an editor for the kernel command. line. systemd-boot supports systems with UEFI firmware only. lock and ilock in python