Re: Frequency in Histos

Hi Olivier and Jacques,

thanks a lot. I got it.

With regards,
S

On Tue, Apr 13, 2010 at 3:59 PM, Jacques Goldberg <Jacques.Goldberg_at_cern.ch>wrote:

> In your macro you fill h1 with weight 1 and h2,h3,h4 with weights
> different from 1.
>
> GetBinContent will return the number of events in the selected bin for
> your h1, not for the others.
>
> To get the contents in the case of h2 h3 h4 , define histograms for example
> 102 103 104 and fill them as you filled h2 h3 h4 but with the first argument
> only as you did for h1. Then get the contents of 102 when you want the
> contents of 2, etc...
>
> BUT FIRST, read
> http://qaix.com/cpp-programming/335-343-root-reading-histogram-contents-read.shtml
>
> to see how to correctly use GetBinContents in a script (I mean using
> haccpt).
>
>
> Jacques
>
>
> xsatya wrote:
>
> Hello,
>>
>> Thanks for reply. Probably I couldn't get you. Here I am attaching a small
>> macro with different histograms. Please check.
>>
>> With regards,
>> S
>>
>> On Tue, Apr 13, 2010 at 1:45 PM, Jacques Goldberg <
>> Jacques.Goldberg_at_cern.ch <mailto:Jacques.Goldberg_at_cern.ch>> wrote:
>>
>> If the weight of each entry is set to 1 (which is the default),
>> the contents of a bin has the same value as the number of events.
>> If you want weights different from 1, then just add a second
>> histogram with weight set to 1. and use that one to get the
>> numbers of entries in each bin.
>>
>> There may be fancier solutions, but this one quickly gives the result.
>>
>> Jacques
>>
>>
>> xsatya wrote:
>>
>> Hi,
>>
>> Is there any way to find the frequency of each bin of any
>> Histos? (TH1F, TH2F). GetBinContent(bin) gives only the
>> contenct value, but waht I want is no of Entries in that bin.
>> Could you please let me know if any ways.
>>
>> S
>> -- ---------------
>> Research Student,
>> High Energy Physics, India.
>>
>>
>>
>>
>>
>> --
>> ---------------
>> Research Student,
>> High Energy Physics, India.
>>
>
>

-- 
---------------
Research Student,
High Energy Physics, India.