On Wed, Sep 15, 2010 at 10:26 AM, Joe Kumar <[email protected]> wrote:
> Hi all,
>
> As I was going through wikipedia example, I encountered a situation with
> TrainClassifier wherein some of the options with default values are
> actually
> mandatory.
> The documentation / command line help says that
>
> 1. default source (--datasource) is hdfs but TrainClassifier
> has withRequired(true) while building the --datasource option. We are
> checking if the dataSourceType is hbase else set it to hdfs. so
> ideally withRequired should be set to false
> 2. default --classifierType is bayes but withRequired is set to true and
> we have code like
>
> if ("bayes".equalsIgnoreCase(classifierType)) {
> log.info("Training Bayes Classifier");
> trainNaiveBayes(inputPath, outputPath, params);
>
> } else if ("cbayes".equalsIgnoreCase(classifierType)) {
> log.info("Training Complementary Bayes Classifier");
> // setup the HDFS and copy the files there, then run the trainer
> trainCNaiveBayes(inputPath, outputPath, params);
> }
>
> which should be changed to
>
> *if ("cbayes".equalsIgnoreCase(classifierType)) {*
> log.info("Training Complementary Bayes Classifier");
> trainCNaiveBayes(inputPath, outputPath, params);
>
> } *else {*
> log.info("Training Bayes Classifier");
> // setup the HDFS and copy the files there, then run the trainer
> trainNaiveBayes(inputPath, outputPath, params);
> }
>
> Please let me know if this looks valid and I'll submit a patch for a JIRA
> issue.
>
> +1 all valid. , Go ahead and fix it and in the cmdline flags write the
default behavior in the flag description
> reg
> Joe.
>