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Precise control of horizontal ticks with BarChart?

• To: mathgroup at smc.vnet.net
• Subject: [mg104532] Precise control of horizontal ticks with BarChart?
• From: Szabolcs Horvát <szhorvat at gmail.com>
• Date: Tue, 3 Nov 2009 02:54:45 -0500 (EST)

I would like to create a histogram-like plot.  I already have the 
frequency data, so I don't need to use the Histogram function itself.

What is the easiest way to do this?

I tried using the BarChart function, but couldn't figure out how to 
position the bars precisely on the X axis (for example, have 5 bars in 
the range (0,1), similar to what Histogram[RandomReal[1, 100], 5] 
produces).  Is there an easy way to achieve this, or will it be 
necessary to draw the bars manually?

P.S. It's not enough to have the correct label for each bar:  It is 
necessary to position the bars precisely in Mathematica's coordinate 
system because another plot will be drawn on top of this one.