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how to save Matrix type result to hdfs file using java

Hi all, I have calculated a covariance?? it's a Matrix type ,now i want to save the result to hdfs, how can i do it? thx

show to save Matrix type result to hdfs file using java

Hi all, I have calculated a covariance?? it's a Matrix type ,now i want to save the result to hdfs, how can i do it? thx

?????? how to save Matrix type result to hdfs file using java

iance(); " The cov is localMatrix, if the Matrix is much more than 5G , is there any better way to do it. THX. -- -- ??: "Yanbo Liang";<yblia...@gmail.com>; : 2016??1??25??(??) 1:31 ??:

?????? retrieve cell value from a rowMatrix.

atrix type. -- -- ??: "Srivathsan Srinivas";<srivathsan.srini...@gmail.com>; : 2016??1??22??(??) 1:12 ??: "zhangjp"<592426...@qq.com>; : "user"<user@spark.apache.org>; : Re: retrieve cell v

??????retrieve cell value from a rowMatrix.

use apply(i,j) function. can u know how to save matrix to a file using java language? -- -- ??: "Srivathsan Srinivas";; : 2016??1??21??(??) 9:04 ??: "user"; :

how to save matrix result to file

Hi ,all I have get a Matrix type result with java , But i don't know how to save the result to a file. "Matrix cov = mat.computeCovariance();" THX.

how to use sparkR or spark MLlib load csv file on hdfs then calculate covariance

hi all, I want to use sparkR or spark MLlib load csv file on hdfs then calculate covariance, how to do it . thks.

?????? how to use sparkR or spark MLlib load csv file on hdfs thencalculate covariance

5 ??: "Andy Davidson"<a...@santacruzintegration.com>; "zhangjp"<592426...@qq.com>; "Yanbo Liang"<yblia...@gmail.com>; : "user"<user@spark.apache.org>; : Re: how to use sparkR or spark MLlib load csv file on hdfs thencal

Could not load shims in class org.apache.hadoop.hive.schshim.FairSchedulerShim

Hi all, I'm using saprk prebuild version 1.5.2+hadoop2.6 and hadoop version is 2.6.2, when i use java client jdbc to execute sql,there has some issues. java.lang.RuntimeException: Could not load shims in class org.apache.hadoop.hive.schshim.FairSchedulerShim at

Re: Building spark 1.3 from source code to work with Hive 1.2.1

I have encountered the same issues. before I changed the spark version i setted up environment as follows. spark 1.5.2 hadoop 2.6.2 hive 1.2.1 but no luck it's not work well, even through i run essembly hive in spark with jdbc mode there is also some properblems. then I changed the spark

jdbc error, ClassNotFoundException: org.apache.hadoop.hive.schshim.FairSchedulerShim

Hi all, I download the prebuilt version 1.5.2 with hadoop 2.6, when I use spark-sql there is no problem, but when i start thriftServer and then want to query hive table useing jdbc there is errors as follows. Caused by: java.lang.ClassNotFoundException:

has any spark write orc document

Hi, has any spark write orc document which like the parquet document. http://spark.apache.org/docs/latest/sql-programming-guide.html#parquet-files Thanks