Rhive uses Hive Thrift server to connect with Hive. You can execute hive queries and get results back into R data frames. and then play around with it using R libraries. Its pretty interesting project, given that you have Hive setup on top of hadoop.
Regards, Praveenesh On Thu, Apr 26, 2012 at 1:32 PM, Guillaume Polaert <gpola...@cyres.fr>wrote: > Hello, > > Yesterday, I've discovered RHive project. It use R-server on each datanode. > Does Somebody tried it ? > > Guillaume > > -----Message d'origine----- > De : Devi Kumarappan [mailto:kpala...@att.net] > Envoyé : mercredi 25 avril 2012 22:56 > À : common-user@hadoop.apache.org > Objet : Re: Text Analysis > > RHaddop package allows you to do statistical anlysis. we were able to do > word cloud on the text files using rmr and rhdfs packages. > > Installtion details for these packages is available in the following link. > > https://github.com/RevolutionAnalytics/RHadoop/wiki/rmr > > Devi > > > > ________________________________ > From: Charles Earl <charles.ce...@gmail.com> > To: common-user@hadoop.apache.org > Sent: Wed, April 25, 2012 12:20:36 PM > Subject: Re: Text Analysis > > If you've got existing R code, you might want to look at this > http://www.quora.com/How-can-R-and-Hadoop-be-used-together. > Quora posting, also by Cloudera, or the rhipe R Hadoop package > https://github.com/saptarshiguha/RHIPE/wiki > Mahout and Lucene/Solr offer some level of text analysis, although I would > not call these complete text analysis packages. > What I've found are specific algorithms as opposed to a complete package: > for example LDA for topic discovery -- Mahout and Yahoo Research > (https://github.com/shravanmn/Yahoo_LDA) have Hadoop based > implementations -- in the case of Yahoo_LDA the data is stored in HDFS, > while the computation is essentially MPI based. Whether the algorithm reads > data from HDFS store and uses another approach other than map reduce is > another question. > C > > On Apr 25, 2012, at 12:47 PM, Jagat wrote: > > > There are Api which you can use , offcourse they are third party. > > > > ----------- > > Sent from Mobile , short and crisp. > > On 25-Apr-2012 8:57 PM, "Robert Evans" <ev...@yahoo-inc.com> wrote: > > > >> Hadoop itself is the core Map/Reduce and HDFS functionality. The > >> higher level algorithms like sentiment analysis are often done by > others. > >> Cloudera has a video from HadoopWorld 2010 about it > >> > >> > >>http://www.cloudera.com/resource/hw10_video_sentiment_analysis_powered > >>_by_hadoop/ > >>/ > >> > >> And there are likely to be other tools like R that can help you out > >> with it. I am not really sure if mahout offers sentiment analysis or > >> not, but you might want to look there too http://mahout.apache.org/ > >> > >> --Bobby Evans > >> > >> > >> On 4/25/12 7:50 AM, "karanveer.si...@barclays.com" < > >> karanveer.si...@barclays.com> wrote: > >> > >> Hi, > >> > >> I wanted to know if there are any existing API's within Hadoop for us > >> to do some text analysis like sentiment analysis, etc. OR are we to > >> rely on tools like R, etc. for this. > >> > >> > >> Regards, > >> Karanveer > >> > >> > >> > >> > >> > >> This e-mail and any attachments are confidential and intended solely > >> for the addressee and may also be privileged or exempt from > >> disclosure under applicable law. If you are not the addressee, or > >> have received this e-mail in error, please notify the sender > >> immediately, delete it from your system and do not copy, disclose or > >> otherwise act upon any part of this e-mail or its attachments. > >> > >> Internet communications are not guaranteed to be secure or > >> virus-free. > >> The Barclays Group does not accept responsibility for any loss > >> arising from unauthorised access to, or interference with, any > >> Internet communications by any third party, or from the transmission > >> of any viruses. Replies to this e-mail may be monitored by the > >> Barclays Group for operational or business reasons. > >> > >> Any opinion or other information in this e-mail or its attachments > >> that does not relate to the business of the Barclays Group is > >> personal to the sender and is not given or endorsed by the Barclays > >> Group. > >> > >> Barclays Bank PLC. Registered in England and Wales (registered no. > >> 1026167). > >> Registered Office: 1 Churchill Place, London, E14 5HP, United > >> Kingdom. > >> > >> Barclays Bank PLC is authorised and regulated by the Financial > >> Services Authority. > >> > >> >
