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From Grant Ingersoll <gsing...@apache.org>
Subject Re: Mahout and lucence and data formats
Date Sat, 27 Nov 2010 17:54:43 GMT
I would suggest asking on user@mahout.apache.org

-Grant
On Nov 27, 2010, at 1:21 AM, Shivani Rao wrote:

> The Mahout's side of the story for LDA was resolved as part of this feature
> request and patch file.
> 
> https://issues.apache.org/jira/browse/MAHOUT-458
> 
> But the Mahout version I have does not include the options specified in this
> report. What am I missing?
> Do I need to download a patch and then recompile Mahout? or download the
> latest (stable/unstable) version?
> Have these changes been reverted?
> If it is the latest version then where can I find it and how can one update
> the documentation to reflect the changes?
> 
> 
> Shivani
> 
> On Fri, Nov 19, 2010 at 9:20 AM, Grant Ingersoll <gsingers@apache.org>wrote:
> 
>> 
>> On Nov 19, 2010, at 8:36 AM, Shivani Rao wrote:
>> 
>>> I see that there are two functions
>>> vectordump and seqdump
>>> Does any of this help with dumping out sparse vectors/matrices from
>> Mahout
>>> to a text format?
>> 
>> Yes, they do.  You can dump JSON using VectorDump.
>> 
>> Also, I just opened https://issues.apache.org/jira/browse/MAHOUT-548
>> 
>>> 
>>> Regards,
>>> Shivani
>>> 
>>> On Fri, Nov 19, 2010 at 7:10 AM, Grant Ingersoll <gsingers@apache.org
>>> wrote:
>>> 
>>>> 
>>>> On Nov 18, 2010, at 4:59 PM, Ted Dunning wrote:
>>>> 
>>>>> On Thu, Nov 18, 2010 at 1:15 PM, Shivani Rao <raoshivani@gmail.com>
>>>> wrote:
>>>>> 
>>>>>> Ted ,
>>>>>> Thanks for your email. I understand that R reads values in text
>> format.
>>>>>> I have a problem with dumping out data from Mahout.
>>>>>> The data spit out by apache mahout and its format and conversion
to a
>>>> text
>>>>>> format is my main concern.
>>>>>> Not the R's side of the story.
>>>>>> 
>>>>>> 
>>>>> Right.  You will have to write a bit of code to output CSV from Mahout.
>>>>> There isn't any native support
>>>>> for it.
>>>> 
>>>> We should remedy this.  I might have some cycles today to do this.
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> --
>>> Research Scholar,
>>> School of Electrical and Computer Engineering
>>> Purdue University
>>> West Lafayette IN
>>> web.ics.purdue.edu/~sgrao <http://web.ics.purdue.edu/%7Esgrao>
>> 
>> --------------------------
>> Grant Ingersoll
>> http://www.lucidimagination.com
>> 
>> 
> 
> 
> -- 
> Research Scholar,
> School of Electrical and Computer Engineering
> Purdue University
> West Lafayette IN
> web.ics.purdue.edu/~sgrao

--------------------------
Grant Ingersoll
http://www.lucidimagination.com


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