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Posted to user@mahout.apache.org by Josh Patterson <jo...@cloudera.com> on 2011/10/14 22:32:27 UTC
input data parameter with RecommenderJob in 0.5
I was having trouble with the "-i" parameter for the RecommenderJob in
Mahout 0.5
ie:
mahout recommenditembased -i /hdfs/dir ....
kept telling me that I had not given it a hdfs directory. When i used the full:
mahout recommenditembased --input /hdfs/dir ....
it ran the job. Anyone else seen this before?
Also, can anyone shed a bit of light on using the "--usersFile" flag
vs not using it; Seems like it recommends for all users if I dont give
it, and I'd assume for only specific users (based on what the code is
telling me) if you provide it?
JP
--
Twitter: @jpatanooga
Solution Architect @ Cloudera
hadoop: http://www.cloudera.com
Re: input data parameter with RecommenderJob in 0.5
Posted by Sebastian Schelter <ss...@apache.org>.
> Sebastian, how about I just remove their short forms, for -itemsFile
> and -usersFile?
Good idea.
--sebastian
Re: input data parameter with RecommenderJob in 0.5
Posted by Sean Owen <sr...@gmail.com>.
I see the problem. Actually, this job is accidentally mixing up two
options by giving them the same short name, -i. You are correctly
using -i as short for -input (which works, good), but it's also using
-i for -itemsFile which is something else.
Sebastian, how about I just remove their short forms, for -itemsFile
and -usersFile?
Yes, that's just what -usersFile means. (And -itemsFile means
something analogous.)
On Fri, Oct 14, 2011 at 9:32 PM, Josh Patterson <jo...@cloudera.com> wrote:
> I was having trouble with the "-i" parameter for the RecommenderJob in
> Mahout 0.5
>
> ie:
>
> mahout recommenditembased -i /hdfs/dir ....
>
> kept telling me that I had not given it a hdfs directory. When i used the full:
>
> mahout recommenditembased --input /hdfs/dir ....
>
> it ran the job. Anyone else seen this before?
>
>
> Also, can anyone shed a bit of light on using the "--usersFile" flag
> vs not using it; Seems like it recommends for all users if I dont give
> it, and I'd assume for only specific users (based on what the code is
> telling me) if you provide it?
>
> JP
>
> --
> Twitter: @jpatanooga
> Solution Architect @ Cloudera
> hadoop: http://www.cloudera.com
>