Splunk® Machine Learning Toolkit

User Guide

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Known issues

The following are known issues in the Splunk Machine Learning Toolkit version 5.3.3. If no known issues are listed, no issues have been reported.


Date filed Issue number Description
2022-08-24 MLA-4320 Experiments' Search bar does not work with map command when used with $$ such as date_hour=$hour$

Workaround:
Run your SPL in the regular Search bar. If you want to see SODA outlier visualizations, add show_density=true show_options="feature_variables,split_by,params" to your SPL and select Distribution Plot from the Visualization tab.
2022-07-20 MLA-4303 Singular Matrix error in StateSpaceForecast Algo
2022-07-03 MLA-4298, MLA-4160 'apply' search processor too aggressive in throwing exceptions
2022-01-10 MLA-4234 Deleting an alert after creating it does not work

Workaround:
Go to the list of alerts and delete your alert from there.
2021-11-25 MLA-4178 Experiment Alert search not created correctly from Assistant

Workaround:
Manually adjust the created search in savedsearches.conf or through the UI. Use the SPL created by the assistants a start.
2021-07-09 MLA-4026 What-If Analysis does not properly display on some Unix platforms
2020-08-03 MLA-3950 Apply command does not run if used from a sub search

Workaround:
Use
appendcols
command to append the column that will be returned from the subsearch to the savedsearch's columns, instead of assigning its value to a non-existing column in the savedsearch. Example:
| inputlookup track_day.csv
| fit LogisticRegression fit_intercept=true "vehicleType" from "batteryVoltage" "engineCoolantTemperature" "engineSpeed" "lateralGForce" "longitudeGForce" "speed" "verticalGForce" into "example_vehicle_type"
makeresults count=50000
save as
MLA3950
|savedsearch MLA3950 | appendcols \[| inputlookup track_day.csv | apply "example_vehicle_type" | table vehicleType]
This will append the
vehicleType
column from the
subsearch
to the
savedsearch
columns.
2019-12-17 MLA-3701 Search bars in Assistants will not display more than approximately 500k rows

Workaround:
This is mostly a visual issue - the actual number of results the Assistant will use when fitting a model is not affected.
2019-12-11 MLA-3686 MLTK Assistants do not support quote characters in field names

Workaround:
Use the "rename" or "eval" command to rename the field prior to using it.
2019-10-09 MLA-3559 Loading settings from experiment history while in the Learn stage will lead to warnings, even when inputs are correct
2019-08-30 MLA-3423 Add a warning message when kfold_cv is set to number greater than half of the datasize
2019-07-12 MLA-3237 Anova table does not allow some special characters in formula so in field names also

Workaround:
Rename your field names before running "score anova" if they include one or more of those special characters:

 (r'[&%$#@!`\|";<>^]')

 

 

2019-03-28 MLA-2965 "Edit Job Settings" does not work in Assistants
2018-09-24 MLA-2547 Experiments can't be renamed until they have been filled and saved

Workaround:
Load the Experiment, fill all necessary fields, and save it. You'll be able to rename the Experiment in the Save dialog.
2018-06-12 MLA-2258 TFIDF returns a vague error message when the "token_pattern" parameter is invalid
2017-08-25 MLA-1916 Uncaught StatsModels error with ARIMA order=0-2-0
2017-02-28 MLA-1670 "Outliers Over Time" plot doesn't display any data if the _time field does not contain a Unix timestamp.
2016-12-13 MLA-1485 In the Forecast Time Series assistant, forecasting a very large number of points may cause the browser to crash.
Last modified on 23 September, 2022
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This documentation applies to the following versions of Splunk® Machine Learning Toolkit: 5.3.3


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