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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/12/01 06:18:07 UTC
[GitHub] [spark] viirya edited a comment on issue #26722: [SPARK-24666][ML]
Fix infinity vectors produced by Word2Vec when numIterations are large
viirya edited a comment on issue #26722: [SPARK-24666][ML] Fix infinity vectors produced by Word2Vec when numIterations are large
URL: https://github.com/apache/spark/pull/26722#issuecomment-560061826
I ran the test shown in the description. With the number of partitions increasing from 1:
numPartitions = 1:
```
Training model...
+-------------+--------------------+
| word| vector|
+-------------+--------------------+
| Unspoken|[-1.1236536502838...|
| Talent|[0.25907281041145...|
| Hourglass|[-0.1529812067747...|
|Nickelodeon's|[0.56294345855712...|
| Priests|[-0.6632155776023...|
| Religion:|[-0.2995840609073...|
| Bu|[-0.1570600569248...|
| Totoro:|[-0.6866843700408...|
| Trouble,|[-0.0878739282488...|
| Hatter|[0.30810326337814...|
| '79|[0.30140322446823...|
| Vile|[0.24635089933872...|
| 9/11|[-0.0068172565661...|
| Santino|[0.02316198870539...|
| Motives|[0.01498097740113...|
| '13|[0.41122323274612...|
| Fierce|[-0.5384349822998...|
| Stover|[-0.1143656522035...|
| 'It|[0.64874994754791...|
| Butts|[0.30401131510734...|
+-------------+--------------------+
only showing top 20 rows
```
numPartitions = 5:
```
Training model...
+-------------+--------------------+
| word| vector|
+-------------+--------------------+
| Unspoken|[-6.7764405751741...|
| Talent|[-9.6067479920091...|
| Hourglass|[-5.7962791272710...|
|Nickelodeon's|[-5.5408793368190...|
| Priests|[-3.4655685116755...|
| Religion:|[1.75421539703848...|
| Bu|[5.605338120192E1...|
| Totoro:|[-7.3925109040147...|
| Trouble,|[-8.3033904E7,1.2...|
| Hatter|[8.05359369958017...|
| '79|[6.48125380885584...|
| Vile|[-1.1937402140810...|
| 9/11|[7.41007681173124...|
| Santino|[2.34601249830338...|
| Motives|[1.62917771495709...|
| '13|[2.42768495215902...|
| Fierce|[-2.9470496032303...|
| Stover|[-1.6529095739310...|
| 'It|[-2.644077182976E...|
| Butts|[1.79399782848582...|
+-------------+--------------------+
only showing top 20 rows
```
...
numPartitions = 20:
```
Training model...
+-------------+--------------------+
| word| vector|
+-------------+--------------------+
| Unspoken|[-2.6176356140015...|
| Talent|[-5.5199353538505...|
| Hourglass|[1.86132916555005...|
|Nickelodeon's|[-9.0021568288662...|
| Priests|[-7.5406975123998...|
| Religion:|[5.01159335080765...|
| Bu|[9.12173977905292...|
| Totoro:|[2.22915976975771...|
| Trouble,|[2.96316624467027...|
| Hatter|[1.68119056598216...|
| '79|[3.15082808602809...|
| Vile|[1.25104734842133...|
| 9/11|[-1.3190123545398...|
| Santino|[-8.8219865210421...|
| Motives|[1.21626889307140...|
| '13|[-3.9497276817527...|
| Fierce|[-5.7803542675530...|
| Stover|[3.02013414112860...|
| 'It|[5.61268932083837...|
| Butts|[1.12267731121987...|
+-------------+--------------------+
only showing top 20 rows
```
numPartitions = 25, infinity vectors show up:
```
Training model...
+-------------+--------------------+
| word| vector|
+-------------+--------------------+
| Unspoken|[-1.1421569937574...|
| Talent|[-Infinity,-Infin...|
| Hourglass|[-9.5144596513321...|
|Nickelodeon's|[-2.6736808943986...|
| Priests|[-3.2282427842550...|
| Religion:|[5.17546632302999...|
| Bu|[1.75799700304267...|
| Totoro:|[-7.4863996312756...|
| Trouble,|[-5.0377472139952...|
| Hatter|[-2.3868325167321...|
| '79|[6.10459795780245...|
| Vile|[-3.5907428812103...|
| 9/11|[-Infinity,Infini...|
| Santino|[-3.9457649799987...|
| Motives|[-5.8161171272514...|
| '13|[-5.9268523384381...|
| Fierce|[-Infinity,-Infin...|
| Stover|[-7.4122975091097...|
| 'It|[1.19725408831668...|
| Butts|[Infinity,Infinit...|
+-------------+--------------------+
only showing top 20 rows
```
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