ml_pipeline | データ分析コンペの学習・推論パイプライン | Machine Learning library
kandi X-RAY | ml_pipeline Summary
kandi X-RAY | ml_pipeline Summary
データ分析コンペの学習・推論パイプライン
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ml_pipeline Examples and Code Snippets
Community Discussions
Trending Discussions on ml_pipeline
QUESTION
Dockerfile
...ANSWER
Answered 2020-Sep-15 at 14:44I was able to make the docker container run by making following changes to the dockerfile
QUESTION
I'm trying to follow RStudio-MLeap example (https://github.com/rstudio/mleap) but I get an error at `ml_write_bundle()'. Does anyone know how to troubleshoot?
...ANSWER
Answered 2020-May-19 at 17:36It looks like I just needed to restart R. I had other issues with loading the mleap library for another version of the spark (3.0.0-review2), and I mixed it up.
QUESTION
I am using airflow to schedule the training of a model version in gcloud AI platform I managed to schedule the training of the model, the creation of the version, then I set this last version as the default using this DAG:
...ANSWER
Answered 2020-Jan-15 at 22:36You can use a templated property to pass the result of a previous operator using Xcom. For example:
QUESTION
Versions
- Python 3.5
- DataFlow/Apache Beam[GCP] 2.17.0
My Python code contains the following line:
...ANSWER
Answered 2020-Jan-15 at 10:24As you can see in provided documentation, SDK for Python Version 2.17.0 and Python 3.5.7, googleapiclient
package is not already installed.
If you want to install this package on your worker nodes, you can follow Apache Beam documentation about managing python pipeline dependencies.
Install package on your machine:
QUESTION
I am applying similar coding path from this tutorial for my own project for using ColumnTransformer to transfer the categorical and numerical variables' values in one step. But I am stuck at its X_test = colT.fit(X_test)
which I don't know what the expected output should be.
Here is my code which I got an error at the def standardize_values
function
ANSWER
Answered 2019-Jun-26 at 21:28The author of the tutorial has made a mistake.
QUESTION
I am trying to create and apply a Spark
ml_pipeline
object that can handle an external parameter that will vary (typically a date). According to the Spark
documentation, it seems possible: see part with ParamMap
here
I haven't tried exactly how to do it. I was thinking of something like this:
...ANSWER
Answered 2019-May-28 at 18:02That's really not how Spark ML Pipelines are intended to be used. In general all transformations required to convert input dataset to a format that is suitable for the Pipeline
should be applied beforehand and only the common components should be embedded as stages
.
When using native (Scala) API, it is technically possible, in such simple cases, like this one, to use an empty SQLTransformer
:
QUESTION
Does anyone have any advice about how to convert the tree information from sparklyr's ml_decision_tree_classifier, ml_gbt_classifier, or ml_random_forest_classifier models into a.) a format that can be understood by other R tree-related libraries and (ultimately) b.) a visualization of the trees for non-technical consumption? This would include the ability to convert back to the actual feature names from the substituted string indexing values that are produced during the vector assembler.
The following code is copied liberally from a sparklyr blog post for the purposes of providing an example:
...ANSWER
Answered 2018-Nov-06 at 10:46As of today (Spark 2.4.0 release already approved and waiting for the official announcement) your best bet*, without involving complex 3rd party tools (you can take a look MLeap for example), is probably to save the model and read back the specification:
QUESTION
How to print the decision path of a specific sample in a Spark DataFrame?
...ANSWER
Answered 2018-Aug-11 at 10:34I changed your dataframe just slightly so that we could ensure we could see different features in the explanations
I changed the Assembler to use a feature_list, so we have easy access to that later
changes below:
QUESTION
how can I modify the code to print the decision path with features names rather than just numbers.
...ANSWER
Answered 2018-Aug-01 at 13:57One option would be to manually replace the text in the string. We can do this by storing the values we pass as inputCols
in a list input_cols
, and then each time replacing the pattern feature i
with the i
th element of the list input_cols
.
QUESTION
Consider this simple example that uses sparklyr
:
ANSWER
Answered 2018-Jun-07 at 22:45Can you please provide the full error traceback?
My guess is that you're running out of memory. Random forest and gbt trees are ensemble models, so they require more memory and computational power than naive bayes.
Try repartitioning the data (spark.sparkContext.defaultParallelism value is a good place to start) so that each of your workers gets a smaller and more evenly distributed chunk.
If that doesn't work, try reducing your max_memory_in_mb
parameter to 256
.
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Install ml_pipeline
You can use ml_pipeline like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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