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<HTML>
<HEAD>
<TITLE>Number of bins</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF" TEXT="#000000">
<P><font size="+2" color="green">Number of bins</font></P>
<P>
<TABLE border="1" cols="2" frame="box" rules="all" width="572">
<TR>
<TD width="15%" valign="top"><B>Syntax</B>:</TD>
<TD width="85%" valign="top"><CODE>
BIN\NBINS x xbin xcount n { xmin xmax }</CODE>
</TD></TR>
<TR>
<TD width="15%" valign="top"><B>Defaults</B>:</TD>
<TD width="85%" valign="top"><CODE>xmin = min(x), xmax = max(x)</CODE></TD></TR>
</TABLE></P>
<P>
By default, the bins are defined by their centers, given in vector
<CODE>xbin</CODE>, which must be strictly monotonically increasing. If the <CODE>\NBINS</CODE>
qualifier is used, the number of bins, <CODE>n</CODE>, is expected. A new vector,
<CODE>xbin</CODE>, will be created which will have <CODE>n</CODE> elements. If the numbers
<CODE>xmin</CODE> and <CODE>xmax</CODE> are not entered, they default to the minimum and maximum of vector
<CODE>x</CODE>.</P>
<P>
<CODE>xbin[i] = xmin + (i - 1/2)(xmax - xmin) = n</CODE> for
<CODE>i = 1, 2, ..., n</CODE>.</P>
<P>
<a href="weights.htm"><img src="../shadow_left.gif">
<font size="+1" color="olive">Weights</font></a><br />
<a href="lagrange.htm"><img src="../shadow_right.gif">
<font size="+1" color="olive">Lagrange</font></a>
</P>
</body>
</html>
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