[SPARK-15767][ML][SparkR] Decision Tree wrapper in SparkR#17981
[SPARK-15767][ML][SparkR] Decision Tree wrapper in SparkR#17981zhengruifeng wants to merge 5 commits into
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Test build #76926 has finished for PR 17981 at commit
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Test build #76927 has finished for PR 17981 at commit
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Jenkins, please retest this please |
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Test build #76930 has finished for PR 17981 at commit
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Test build #76938 has finished for PR 17981 at commit
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@felixcheung I send this PR following your implementation of |
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nit: remove double empty line
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@felixcheung Updated. Thanks for your reviewing! |
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Test build #76966 has finished for PR 17981 at commit
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| #' @param cacheNodeIds If FALSE, the algorithm will pass trees to executors to match instances with | ||
| #' nodes. If TRUE, the algorithm will cache node IDs for each instance. Caching | ||
| #' can speed up training of deeper trees. Users can set how often should the | ||
| #' cache be checkpointed or disable it by setting checkpointInterval. |
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This is kind of confusing
Users can set how often should the cache be checkpointed
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wording can be improved a bit I guess but this matches the Scaladoc...
| function(data, formula, type = c("regression", "classification"), | ||
| maxDepth = 5, maxBins = 32, impurity = NULL, seed = NULL, | ||
| minInstancesPerNode = 1, minInfoGain = 0.0, checkpointInterval = 10, | ||
| maxMemoryInMB = 256, cacheNodeIds = FALSE) { |
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consider adding thresholds parameter - possibly as a follow up PR.
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any more comment? |
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merged to master. thanks! |
## What changes were proposed in this pull request? support decision tree in R ## How was this patch tested? added tests Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes apache#17981 from zhengruifeng/dt_r.
4 participants
What changes were proposed in this pull request?
support decision tree in R
How was this patch tested?
added tests