Splunk® Machine Learning Toolkit

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Known issues

The following are known issues in the Splunk Machine Learning Toolkit version 5.2.0.

Date filed Issue number Description
2021-10-26 MLA-4131 Issue with 'apply' command in MLTK
2021-05-26 MLA-3991 Pre-Processor Step in Experiments run All-time searches despite what is specified in Experiment Settings
2020-12-22 MLA-3965 Error in 'fit' command: Error while fitting "DensityFunction" model: Domain error in arguments.
2020-08-03 MLA-3950 Apply command does not run if used from a sub search

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
|savedsearch MLA3950 | appendcols \[| inputlookup track_day.csv | apply "example_vehicle_type" | table vehicleType]
This will append the
column from the
to the
2020-07-09 MLA-3944 MLTK forecast RMSE and R-square calculations are incorrect because it is using ALL data points instead of just data points in holdback period
2020-02-05 MLA-3784 Beta distribution results in negative alpha, beta values which causes DensityFunction to give Domain error in arguments
2020-01-10 MLA-3724 Showcase: Card does not remain selected after user closes examples with X button
2019-12-17 MLA-3701 Search bars in Assistants will not display more than approximately 500k rows

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

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

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




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

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
2018-04-18 MLA-2147 search.log does not show tracebacks on Windows on Splunk 7.1

The user can still look at the logs on windows in mlspl.log which captures the traceback. However, many users may not have access to mlspl.log (as it is indexed in the _internal index which normal users don't have by default). If this is the case, they will need to ask their Splunk administrators for access to this index.
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
What's new
Fixed issues

This documentation applies to the following versions of Splunk® Machine Learning Toolkit: 5.2.0

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