<div dir="ltr"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div><span style="font-size:12.8px">hi all,</span></div><div><span style="font-size:12.8px"><br></span></div><div>for one reason or another the ssb function on my stock returns NAs</div><div><br></div><div>these are the units of my stock:</div><div><br></div><div><pre tabindex="0" class="gmail-GGHFMYIBMOB" id="gmail-rstudio_console_output" style="font-family:"Ubuntu Mono";outline:none;border:none;word-break:break-all;margin:0px;line-height:16px;color:rgb(0,0,0);font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;word-spacing:0px;background-color:rgb(255,255,255);font-size:10.4pt;white-space:pre-wrap"><span class="gmail-GGHFMYIBCPB gmail-ace_keyword" style="color:blue;white-space:pre">> </span><span class="gmail-GGHFMYIBCOB gmail-ace_keyword" style="color:blue">units(stock)
</span>$catch
[1] "tonnes"
$catch.n
[1] "thousands"
$catch.wt
[1] "kg"
$discards
[1] "tonnes"
$discards.n
[1] "thousands"
$discards.wt
[1] "kg"
$landings
[1] "tonnes"
$landings.n
[1] "thousands"
$landings.wt
[1] "kg"
$stock
[1] "tonnes"
$stock.n
[1] "thousands"
$stock.wt
[1] "kg"
$m
[1] "m"
$mat
[1] "NA"
$harvest
[1] "f"
$harvest.spwn
[1] "NA"
$m.spwn
[1] "NA"</pre><br></div><div>thanks in advance,</div><div>Luis</div><div> </div><div><span style="font-size:12.8px"><br></span></div><div><br></div></div></div></div></div></div></div></div></div></div></div></div>
</div>