<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#330000">
hi<br>
<br>
did you try to use histplot instead?<br>
<br>
<font face="Arial" size="2"><span style="font-size:
10.0pt;font-family:Arial" lang="EN-GB"><b><span
style="font-weight:bold">histplot</span></b>(20,x)</span></font><br>
<br>
(note that 20 is the numbers of classes in 25:25:500)<br>
<br>
or <br>
<br>
histplot(<font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial" lang="EN-GB">xclass,x)</span></font><br>
<br>
On 20/10/2011 12:41, MARIGO RAFFAELLA wrote:
<blockquote
cite="mid:D627A569B23E0B4C870FB8311C89085A4511933E@ARPA-EXCHBE02.arpa.local"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1">
<meta name="Generator" content="Microsoft Word 11 (filtered
medium)">
<o:smarttagtype
namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="country-region"><o:smarttagtype
namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="place"><o:smarttagtype
namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="PersonName"><!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
span.StileMessaggioDiPostaElettronica17
{mso-style-type:personal;
font-family:Arial;
color:windowtext;}
span.StileMessaggioDiPostaElettronica20
{mso-style-type:personal-reply;
font-family:Arial;
color:navy;}
@page Section1
{size:595.3pt 841.9pt;
margin:70.85pt 2.0cm 2.0cm 2.0cm;}
div.Section1
{page:Section1;}
-->
</style>
<div class="Section1">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">Hi<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">I’m Raffaella
from
<st1:place w:st="on"><st1:country-region w:st="on">Italy</st1:country-region></st1:place>,
please may I have some information about
<b><span style="font-weight:bold">histnorm</span></b>
and <b><span style="font-weight:bold">normplot</span></b>
functions:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">I need to
calculate the log-normal probability distribution so
I wrote this command:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">y=grand(1,200,'nor',5,0.37); //generate
the normal data N(5,0.37)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">x=exp(y); //generate
the log-normal data by using exp<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">xmin=min(x),xmax=max(x) //determine
min and max values<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">xmean=mean(x) //determine
mean value<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:green">xclass=[25:25:500];<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:green">histnorm(x,xclass);
//histogram<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:green">normplot(x);
//normal probability plot<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">but the
SCILAB answer is (I highlighted in red the problem):<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">-->y=grand(1,200,'nor',5,0.37);
//generate the normal data N(5,0.37)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">-->x=exp(y);
//generate the log-normal data by using exp<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">-->xmin=min(x),xmax=max(x)
//determine min and max values<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> xmin =<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> 43.597751
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> xmax =<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> 490.5407
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">-->xmean=mean(x)
//determine mean value<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> xmean =<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB"> 152.80157
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="green" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:green"
lang="EN-GB">-->xclass=[25:25:500];<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">--><b><span
style="font-weight:bold">histnorm</span></b>(x,xclass);
//histogram<o:p></o:p></span></font></p>
<p class="MsoNormal"><b><font face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial;font-weight:bold" lang="EN-GB">histnorm</span></font></b><font
face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"
lang="EN-GB">(x,xclass); //histogram<o:p></o:p></span></font></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:red;font-weight:bold"
lang="EN-GB">
<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:red;font-weight:bold"
lang="EN-GB"> !--error 4
<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:red;font-weight:bold"
lang="EN-GB">There is an undefined variable:
histnorm<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:red;font-weight:bold"
lang="EN-GB"><o:p> </o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:red;font-weight:bold"
lang="EN-GB">at line 6 of exec file called
by :
<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:red;font-weight:bold">exec('C:\Documents
and Settings\RMARIGO\Impostazioni
locali\Temp\SCI_TMP_2844_\LOAD_INTO_SCILAB-4369136397675464473.sce',
1)<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:red;font-weight:bold">while executing a
callback<o:p></o:p></span></font></b></p>
<p class="MsoNormal"><b><font color="red" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:red;font-weight:bold"><o:p> </o:p></span></font></b></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">Could you
help me?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB">Thanks a lot<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><st1:personname w:st="on"><font
face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"
lang="EN-GB">Raffaella Marigo</span></font></st1:personname><font
face="Arial" size="2"><span
style="font-size:10.0pt;font-family:Arial"
lang="EN-GB"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">____________________________________________________</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="1"><span
style="font-size:9.0pt;
font-family:Arial"> <o:p></o:p></span></font></p>
<p class="MsoNormal"><st1:personname w:st="on"><strong><b><font
face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial">Raffaella
Marigo</span></font></b></strong></st1:personname><font
face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial"><o:p></o:p></span></font></p>
<p class="MsoNormal"><strong><b><i><font face="Arial"
size="1"><span
style="font-size:9.0pt;font-family:Arial;font-style:italic">Direzione
Generale - U.O. Sviluppo Modellistica
Ambientale</span></font></i></b></strong><font
face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="1"><span
style="font-size:9.0pt;
font-family:Arial"> <o:p></o:p></span></font></p>
<p class="MsoNormal"><strong><b><font color="black"
face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial;color:black">ARPA
Lombardia</span></font></b></strong><em><b><i><font
color="black" face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial;
color:black;font-weight:bold">
</span></font></i></b></em><font color="black"
face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial;
color:black">-</span></font><em><i><font
color="green" face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial;color:green">
</span></font></i></em><font face="Arial" size="1"><span
style="font-size:9.0pt;font-family:Arial">v.le
Restelli 3/1, 20124 MILANO<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="1"><span
style="font-size:9.0pt;
font-family:Arial">Tel. +39 02 69 666 298<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="1"><span
style="font-size:9.0pt;
font-family:Arial">Fax +39 02 69 666 259<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="1"><span
style="font-size:9.0pt;
font-family:Arial">e_mail:
<a moz-do-not-send="true"
href="mailto:r.marigo@arpalombardia.it">r.marigo@arpalombardia.it</a></span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
</div>
</o:smarttagtype></o:smarttagtype></o:smarttagtype></blockquote>
<br>
<br>
<div class="moz-signature">-- <br>
Adrien Vogt-Schilb (Cired) <br>
Tel: (+33) 1 43 94 <b>73 77</b></div>
</body>
</html>