<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2600.0" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Hi,</FONT></DIV>
<DIV><FONT face=Arial size=2> I have installed srilm
successfully, thanks a lot! Now I have a small question about PPL
output:</FONT></DIV>
<DIV><FONT face=Arial size=2> when I run "ngram" to count
PPL of a testing text, there are two ppls output: </FONT><FONT face=Arial
size=2>ppl and ppl1, what's the difference of them? </FONT></DIV>
<DIV><FONT face=Arial size=2>£šI can't find this from the
documents).</FONT></DIV>
<DIV><FONT face=Arial size=2> </FONT></DIV>
<DIV><FONT face=Arial size=2> </FONT></DIV>
<DIV><FONT face=Arial size=2> Thanks a lot.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Hans
Li </FONT></DIV></BODY></HTML>