Hi Shai,

Yes.. Bucketing is the word :) .. IMO it would be better if bucketing is
moved to a utility class. I ll create a JIRA and provide a patch.

Thanks!

On Wed, Mar 11, 2015 at 4:33 PM, Shai Erera <ser...@gmail.com> wrote:

> OK yes then sampling isn't the right word. So what you would want to have
> is API like "count faces in N buckets between a range of [min..max]
> values". That would create the ranges for you and then you would be able to
> use the RangeFacetCounts as usual.
>
> Would you like to open a JIRA issue and post a patch? I guess it can either
> be an additional constructor on LongRangeFacetCounts (and Double), or a
> separate utility class which given min/max values and numBuckets, creates
> the proper Range[]?
>
> Shai
>
> On Tue, Mar 10, 2015 at 4:07 PM, Gimantha Bandara <giman...@wso2.com>
> wrote:
>
> > Hi Shai,
> >
> > Yes, Splitting ranges into smaller ranges is not as same as sampling. I
> > have used the wrong word there. I think RandomSamplingFacetsCollector is
> > for "sampling" a larger dataset and that class cannot be used to
> implement
> > the described example above. I think I ll have to prepare the Ranges
> > manually and pass them to LongRangeFacetsCounts.
> >
> > On Tue, Mar 10, 2015 at 4:54 PM, Shai Erera <ser...@gmail.com> wrote:
> >
> > > I am not sure that splitting the ranges into smaller ranges is the same
> > as
> > > sampling.
> > >
> > > Take a look RandomSamplingFacetsCollector - it implements sampling by
> > > sampling the document space, not the facet values space.
> > >
> > > So if for instance you use a LongRangeFacetCounts in conjunction with a
> > > RandomSamplingFacetsCollector, you would get the matching documents
> space
> > > sampled, and the counts you would get for each range could be
> considered
> > > "sampled" too. This is at least how we implemented facet sampling.
> > >
> > > Shai
> > >
> > > On Tue, Mar 10, 2015 at 10:21 AM, Gimantha Bandara <giman...@wso2.com>
> > > wrote:
> > >
> > > > What I am planning to do is, split the given time range into smaller
> > time
> > > > ranges  by myself and pass them to a LongRangeFacetsCount object and
> > get
> > > > the counts for each sub range. Is this the correct way?
> > > >
> > > > On Tue, Mar 10, 2015 at 12:01 AM, Gimantha Bandara <
> giman...@wso2.com>
> > > > wrote:
> > > >
> > > > > Any updates on this please? Do I have to write my own code to
> sample
> > > and
> > > > > get the hitcount?
> > > > >
> > > > > On Sat, Mar 7, 2015 at 2:14 PM, Gimantha Bandara <
> giman...@wso2.com>
> > > > > wrote:
> > > > >
> > > > >> Any help on this please?
> > > > >>
> > > > >> On Fri, Mar 6, 2015 at 3:13 PM, Gimantha Bandara <
> giman...@wso2.com
> > >
> > > > >> wrote:
> > > > >>
> > > > >>> Hi,
> > > > >>>
> > > > >>> I am trying to create some APIs using lucene facets APIs. First I
> > > will
> > > > >>> explain my requirement with an example. Lets say I am keeping
> track
> > > of
> > > > the
> > > > >>> count of  people who enter through a certain door. Lets say the
> > time
> > > > range
> > > > >>> I am interested in Last 6 hours( to get the total count, I know
> > that
> > > I
> > > > ll
> > > > >>> have to use Ranged Facets). How do I sample this time range and
> get
> > > the
> > > > >>> counts of each sample? In other words, as an example, If I split
> > the
> > > > last
> > > > >>> 6 hours into 5 minutes samples, I get 72 (6*60/5 ) different time
> > > > ranges. I
> > > > >>> would be interested in getting hit counts for each of these 72
> > ranges
> > > > in an
> > > > >>> array with the respective lower bound of each sample. Can someone
> > > > point me
> > > > >>> the direction I should follow/ the classes which can be helpful
> > > > looking at?
> > > > >>> ElasticSearch already has this feature exposed by their
> Javascript
> > > API.
> > > > >>>
> > > > >>> Is it possible to implement the same with lucene?
> > > > >>> Is there a Facets user guide for lucene 4.10.3 or lucene 5.0.0 ?
> > > > >>>
> > > > >>> Thanks,
> > > > >>>
> > > > >>> --
> > > > >>> Gimantha Bandara
> > > > >>> Software Engineer
> > > > >>> WSO2. Inc : http://wso2.com
> > > > >>> Mobile : +94714961919
> > > > >>>
> > > > >>
> > > > >>
> > > > >>
> > > > >> --
> > > > >> Gimantha Bandara
> > > > >> Software Engineer
> > > > >> WSO2. Inc : http://wso2.com
> > > > >> Mobile : +94714961919
> > > > >>
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Gimantha Bandara
> > > > > Software Engineer
> > > > > WSO2. Inc : http://wso2.com
> > > > > Mobile : +94714961919
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Gimantha Bandara
> > > > Software Engineer
> > > > WSO2. Inc : http://wso2.com
> > > > Mobile : +94714961919
> > > >
> > >
> >
> >
> >
> > --
> > Gimantha Bandara
> > Software Engineer
> > WSO2. Inc : http://wso2.com
> > Mobile : +94714961919
> >
>



-- 
Gimantha Bandara
Software Engineer
WSO2. Inc : http://wso2.com
Mobile : +94714961919

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