All Projects : Mahout (Key: MAHOUT)

Project Lead: Grant Ingersoll
URL: http://lucene.apache.org/mahout/
Description:
Mahout's goal is to build scalable, Apache licensed machine learning libraries.

Release Notes

Road Map View personal road map Scope: next 3 versions | all versions 0.1 ( 07/Apr/09 | Release Notes ) Progress:    59 of 59 issues have been resolved First Minor Release    MAHOUT-75 FIXED asFormatString tests fail    MAHOUT-69 FIXED 0.1 RELEASE TODO    MAHOUT-53 FIXED Add documentation for Taste    MAHOUT-110 FIXED Ant script for building Taste web app    MAHOUT-82 FIXED Canopy map intermediate file structure should be keyed by canopyId.    MAHOUT-88 FIXED Convert to doubles, other changes    MAHOUT-23 FIXED Getting a row or column from a matrix view gives a row or column from the wrapped matrix.    MAHOUT-99 FIXED Improving speed of KMeans    MAHOUT-79 FIXED Improving the speed of Fuzzy K-Means by optimizing data transfer between map and reduce tasks    MAHOUT-15 FIXED Investigate Mean Shift Clustering    MAHOUT-112 FIXED Maven jetty plugin has been relocated    MAHOUT-20 FIXED Migrate Canopy and KMeans Implementations to Vectors    MAHOUT-6 FIXED Need a matrix implementation    MAHOUT-47 FIXED Point class is now redundant and should be removed    MAHOUT-58 FIXED Remove deprecated distance(Float[], Float[]), AbstractDistanceMeasure?    MAHOUT-37 FIXED Tarball for Mahout-ified Taste code    MAHOUT-80 FIXED Taste build fix    MAHOUT-89 FIXED To test hudson, I just made a 'Patch Available' issue.    MAHOUT-38 FIXED Ant job jar task    MAHOUT-27 FIXED Canopy/KMeans unit tests failing    MAHOUT-34 FIXED Iterator interface for Vectors    MAHOUT-118 FIXED Mahout needs to respect the file system type when getting a FileSystem for an input or output path    MAHOUT-26 FIXED Matrix implementation bug fix and little addition    MAHOUT-33 FIXED Matrix tests share code that can be placed in an abstract class    MAHOUT-49 FIXED ParameterEnumerable    MAHOUT-42 FIXED Tanimoto coefficient distance measure    MAHOUT-50 FIXED Vector extends Writable    MAHOUT-39 FIXED Vector improvments    MAHOUT-41 FIXED VectorWritable    MAHOUT-36 FIXED WeightedDistanceMeasure    MAHOUT-86 FIXED A New Vector Assignment Operator    MAHOUT-92 FIXED BayesFeatureMapper doesn't properly extract features    MAHOUT-3 FIXED Build initial canopy clustering prototype    MAHOUT-60 FIXED MAHOUT-9 Complementary Naive Bayes    MAHOUT-74 FIXED Fuzzy K-Means clustering    MAHOUT-9 FIXED Implement MapReduce BayesianClassifier    MAHOUT-5 FIXED Implement a k-means clustering prototype    MAHOUT-25 FIXED Minor bugs/issues from code inspection    MAHOUT-104 FIXED Move to Maven for Build, drop Ant    MAHOUT-10 FIXED Replace fall-through exception handlers with propagated unchecked exception.    MAHOUT-72 FIXED Separate out Examples from Core    MAHOUT-52 FIXED Standardize on java.util.logging, Commons Logging, log4j?    MAHOUT-55 FIXED Update to Hadoop 0.16.4    MAHOUT-102 FIXED Use Watchmaker 0.5.0 instead of 0.4.3    MAHOUT-95 FIXED UserSimilarity-based NearestNNeighborhood    MAHOUT-56 FIXED Watchmaker Integration    MAHOUT-91 FIXED Wikipedia Example has incorrect input Key    MAHOUT-62 FIXED generate html test results    MAHOUT-17 FIXED Maven support    MAHOUT-44 FIXED Override zSum and dot for SparseVector    MAHOUT-22 FIXED Several matrix exceptions are checked exceptions, but should be unchecked    MAHOUT-13 FIXED Investigate Mahout jar loading    MAHOUT-57 FIXED Mahout Project Logo    MAHOUT-1 FIXED Mahout site doesn't link to mailing list archives.    MAHOUT-12 FIXED Point formatting and parsing improved (StringBuilder, no need for trailing comma).    MAHOUT-111 FIXED Redirect Test output to file    MAHOUT-48 FIXED isConverged() and converge flag OK?    MAHOUT-51 FIXED Upgrade to Hadoop 0.16.3    MAHOUT-87 FIXED Upgrade to Hadoop 0.18.1 0.2 ( 18/Nov/09 | Release Notes ) Progress:    61 of 61 issues have been resolved    MAHOUT-159 FIXED SparseVector and DenseVector hashCode does not conform to the Java standard    MAHOUT-35 FIXED Benchmark performance of Vector.iterator() when reusing Element instances.    MAHOUT-161 FIXED Add Vector.norm to compute k-norms of vectors    MAHOUT-162 FIXED Added support for mapping String to long IDs in CF code    MAHOUT-136 FIXED Change Canopy MR Implementation to use Vector Writable    MAHOUT-186 FIXED Classifier PriorityQueue returns erroneous results    MAHOUT-188 FIXED Cleanup of Bayes/CBayes for 0.2    MAHOUT-198 FIXED Cleanup pom, remove lib dependencies, etc.    MAHOUT-160 FIXED ClusterDumper utility to output all the clusters in all sequence files and points    MAHOUT-148 FIXED Convert Classification Algs to use richer Writable syntax    MAHOUT-137 FIXED Convert Clustering Algs to use Vector Writable    MAHOUT-181 FIXED DistanceMeasure is broken: iteration is done over nonZeroElements of v1.plus(v2), not v1.minus(v2)    MAHOUT-170 FIXED Enable Java compile optimize flag during build    MAHOUT-157 FIXED Frequent Pattern Mining using Parallel FP-Growth    MAHOUT-123 FIXED Implement Latent Dirichlet Allocation    MAHOUT-115 FIXED Interpolated Knn and SVD Recommender    MAHOUT-7 FIXED Lucene indexes should act as matrix factories    MAHOUT-118 FIXED Mahout needs to respect the file system type when getting a FileSystem for an input or output path    MAHOUT-139 FIXED Make use of Vector Iterator capabilities where appropriate    MAHOUT-171 FIXED Move deployment to repository.apache.org    MAHOUT-124 FIXED Online Classification using HBase    MAHOUT-126 FIXED Prepare document vectors from the text    MAHOUT-122 FIXED Random Forests Reference Implementation    MAHOUT-187 FIXED RandomUtils>>isNotPrime throws IllegalArgumentException when argument is less than 2.    MAHOUT-154 FIXED Reduce memory usage with smarter data structures    MAHOUT-158 FIXED Replace all ID values with long    MAHOUT-121 FIXED Speed up distance calculations for sparse vectors    MAHOUT-149 FIXED The Great User/Item Removal Phase 1: de-generify implementations    MAHOUT-150 FIXED The Great User/Item Removal Phase 2    MAHOUT-151 FIXED The Great User/Item Removal Phase 3    MAHOUT-172 FIXED When running on a Hadoop cluster LDA fails with Caused by: java.io.IOException: Cannot open filename /user/*/output/state-*/_logs    MAHOUT-183 FIXED WikipediaXmlSplitter spits one chunk per line    MAHOUT-134 FIXED [PATCH] Cluster decode error handling    MAHOUT-133 FIXED [PATCH] Kmeans Clustering Example Tidy Up    MAHOUT-132 FIXED [PATCH] Push magic names into public constants    MAHOUT-108 WON'T FIX Implementation of Assoication Rules learning by Apriori algorithm    MAHOUT-164 FIXED "Potpourri": a collection of small possible bugs and improvements    MAHOUT-135 FIXED Allow FileDataModel to transpose users and items    MAHOUT-113 FIXED CDInfosToolTest.testGatherInfos failure in Mahout examples    MAHOUT-184 FIXED Code tweaks for .df.* code    MAHOUT-138 FIXED Convert main() methods to use Commons CLI for argument processing    MAHOUT-177 FIXED Fix for "java.lang.ClassNotFoundException Exception"    MAHOUT-140 FIXED In-memory mapreduce Random Forests    MAHOUT-146 FIXED Make Wikipedia Example Classifier more generic    MAHOUT-199 FIXED Parent POM missing in public maven repository    MAHOUT-145 FIXED PartialData mapreduce Random Forests    MAHOUT-166 FIXED Potpourri 2    MAHOUT-178 FIXED Rationalize 'utils' and 'common' stuff    MAHOUT-114 FIXED Release Process Needs to sign published dependencies such as Hadoop, etc.    MAHOUT-176 FIXED Remove VectorIterable in favor of just using Iterable<Vector>    MAHOUT-127 FIXED Remove warnings    MAHOUT-179 FIXED Taste Demo Help    MAHOUT-174 FIXED Unify Pair implementation, Random number generation    MAHOUT-200 FIXED Update information on Mahout site    MAHOUT-142 FIXED Upgrade to Hadoop 0.20.0    MAHOUT-175 FIXED Use IOUtils, FileLineIterable/Iterator across the project    MAHOUT-131 FIXED Vector improvements    MAHOUT-147 FIXED Wikipedia Example improvements    MAHOUT-107 FIXED make MySQLJDBCDataModel not final    MAHOUT-77 WON'T FIX DistanceMeasure calculation slow for SparseVector    MAHOUT-93 DUPLICATE Refactor Bayes and CBayes to share more common code 0.3 ( Release Notes ) Progress:    8 of 21 issues have been resolved    MAHOUT-185 UNRESOLVED Add mahout shell script for easy launching of various algorithms    MAHOUT-204 UNRESOLVED Better integration of Mahout matrix capabilities with Colt Matrix additions    MAHOUT-163 UNRESOLVED Get (better) cluster labels using Log Likelihood Ratio    MAHOUT-206 UNRESOLVED Separate and clearly label different SparseVector implementations    MAHOUT-193 UNRESOLVED SparseVectors created with the wrong cardinality in SparseMatrix    MAHOUT-11 UNRESOLVED Static fields used throughout clustering code (Canopy, K-Means).    MAHOUT-165 UNRESOLVED Using better primitives hash for sparse vector for performance gains    MAHOUT-208 UNRESOLVED Vector.getLengthSquared() is dangerously optimized    MAHOUT-207 UNRESOLVED AbstractVector.hashCode() should not care about the order of iteration over elements    MAHOUT-155 UNRESOLVED ARFF VectorIterable    MAHOUT-209 UNRESOLVED Add aggregate() methods for Vector    MAHOUT-205 UNRESOLVED Pull Writable (and anything else hadoop dependent) out of the matrix module    MAHOUT-106 UNRESOLVED PLSI/EM in pig based on hofmann's ACM 04 paper.    MAHOUT-192 FIXED RMSRecommenderEvaluator does not catch NoSuchItemException    MAHOUT-201 DUPLICATE OrderedIntDoubleMapping / SparseVector is unnecessarily slow    MAHOUT-190 FIXED Make all instance fields private    MAHOUT-182 FIXED New helper methods for Matrix: times(Vector), timesSquared(Vector), numRows() and numCols()    MAHOUT-125 FIXED Remove Deprecated Ant builds    MAHOUT-189 FIXED Standardize use of assert keyword    MAHOUT-196 FIXED bounded values for RecommenderEvaluator    MAHOUT-195 FIXED doubt about SlopeOneRecommender

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Project Summary

	Open	42	20%
	Resolved	84	40%
	Closed	78	37%
	Patch Available	5	2%

Open Issues

	Major	27	57%
	Minor	18	38%
	Trivial	2	4%

By Assignee

Ankur	1	2%
Grant Ingersoll	8	17%
Isabel Drost	1	2%
Jeff Eastman	1	2%
Jeff Eastman	1	2%
Karl Wettin	3	6%
Ted Dunning	1	2%
Unassigned	31	66%