I'd be happy to help.<div>Happy for me to have a look at it?</div><div><br></div>cheers <span></span><br><div><br>On Tuesday, 22 December 2015, Arunkumar Srinivasan <<a href="mailto:aragorn168b@gmail.com">aragorn168b@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">In the works. I’ve not yet managed to finish.</div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto"><br></div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto"><div style="margin:0px">require(data.table)</div><div style="margin:0px">A = data.table(x=1:2, y=3:4)</div><div style="margin:0px">B = data.table(x=2:3, y=3:4)</div><div><br></div></div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">anti-join:</div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto"><br></div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">A[!B, on="x"] # equivalently A[!B, .SD, on="x"]</div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto"><br></div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">semi-join:</div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto"><br></div><div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">A[B, .SD, nomatch=0L, on="x"]</div> <br> <div><div style="font-family:helvetica,arial;font-size:13px">-- <br>Arun</div></div> <br><p>On 21 December 2015 at 17:09:22, statquant3 (<a href="javascript:_e(%7B%7D,'cvml','statquant@outlook.com');" target="_blank">statquant@outlook.com</a>) wrote:</p> <blockquote type="cite"><span><div><div></div><div>Hello, is there a join vignette for data.table ?
<br>I realize that I am now more and more using dplyr just for semi_join and
<br>anti_join.
<br>Is there any plan to write those sugar function ?
<br>Happy to do it here and get feedback.
<br>
<br>C.
<br>
<br>
<br>
<br>--
<br>View this message in context: <a href="http://r.789695.n4.nabble.com/join-vignette-for-data-table-tp4715792.html" target="_blank">http://r.789695.n4.nabble.com/join-vignette-for-data-table-tp4715792.html</a>
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