PM4Py 2.2.13.1

Fixed

• 816fb4a
  • Fixed a bug in the Pandas case size filter (the constraints were not applied correctly).
• 40f142c
  • Fixed a bug in the format_dataframe function (columns were duplicated if already existing with the same name).
• 00d1a7d
  • Reverted stream converter to old variant (in a slightly slower but safer way).

Removed

Deprecated

Changed

• 991a09d
  • Introduce a time limit in the DFG playout.
• ae5d2a0
  • Return the state of the process tree along with the alignment for the process tree alignments.
• 8b77384
  • Refactoring of the calculation of the fitness for Petri net alignments (scattered code).

Added

Other

• d58d34f
  • Upgraded Dockerfile to Python 3.9
• 5011417
  • Resolved issue with the upcoming Python 3.10 release
• 8931490
  • Security issue in requirements

PM4Py 2.2.13

Fixed

Removed

Deprecated

Changed

• 5723df7
  • xes exporter now reports on xes features and xmlns
• 3b63254
  • graphviz based visualizations now expose background color as a parameter

Added

• 0592157
  • new dfg playout including performance specification
• 85739ba
  • allow pandas df to be used as an iterable for streaming simulation
• 2fa9993
  • path filter that filters the cases of an event log where there is at least one occurrence of the provided path
    occurring in a given time range.
• a7ee73a
  • added filter based on rework detection
• c03b618
  • add petri net, reset/inhibitor net and data petri net semantics

Other

PM4Py 2.2.12

Fixed

• a374bad
  • #251
• e88a654
  • #249
• 8451162
  • fix minor bug in the calculation of the handover and subcontracting metrics.

Removed

Deprecated

Changed

• 01fd040
  • The pm4py.view_petri_net() method now uses None as a default initial and final marking.
• 72ed7d0
  • Improved performance of variant discovery of dataframes.

Added

• 9a04357
  • Add rework measurement at the case level in the pm4py.statistics.rework package.
• b725ca0
  • add 'between' filter for pandas dataframes in the pm4py.algo.filtering.pandas package. The filter
    returns subsequences between the two given activities. It creates subtraces for every possible match.
• 211e3c5
  • added local linear embeddings to log_to_features.util.
• 4b59422
  • add support for adding decision points to data petri nets.
• 9261270
  • add support for performance dfg discovery in pm4py.discover_performance_dfg().

Other

PM4Py 2.2.11

Fixed

• 207d69b
  • bug fix in application of the filtering threshold in the IMf algorithm

Removed

Deprecated

Changed

• d98cbb1
  • changed deepcopy and copy functionality of logs for performance improvement
• f3b78a4
  • minor performance optimization in log conversion (log to dataframe)
• 71c0919
  • improved performance for pands -> stream conversion

Added

• f2101a7
  • added various additional features in log-based feature extraction
• 4187365
  • possiblity to directly get all performance metrics of the DFG elements
• 886b44e
  • detection method for trace-level attributes stored at event level
• d5f9f86
  • add transition names to events, based on a given alignment
• 4802e7d
  • add support for importing reset/inhibitor arcs and transition guards
• cc6488f
  • add general support for reset/inhibitor nets
• e805cf5
  • add support for data petri nets
• 1d3a2e7
  • added case termination statistics for pandas data frames

Other

PM4Py 2.2.10.2

Fixed

• 50ad39f
  • Fixed blocking issue with properties of Pandas dataframes when format_dataframe is used (case ID column)
• 3708b98
  • Fixed variants filter, when the output of get_variants_as_tuples is used

Removed

Deprecated

• Deprecated support to Pandas < 0.25 (due to future dropping)
• Deprecated auto-filters (due to future dropping)

Changed

• Different interventions to fix the internal coherency of the project (usage of deprecated functions + missing imports)

PM4Py 2.2.10

Fixed

Removed

Deprecated

Changed

• 4964d6e
  • minor refactoring (rename) in attribute statistics querying; get_attributes() --> get_event_attributes()
• 1148f6c
  • use revised implementation of IM and IMf everywhere, deprecate old implementations

Added

• 6750bf3
  • add support for start time and end-time in timstamp conversion
• e24f5b7
  • computation of event-level overlap
• 8cec5f9
  • add several case/event level statistic functions at the simplified interface level

Other

PM4Py 2.2.9

Fixed

• daf74e8
  • update imports in feature extraction
• 74be3e3
  • minor bug fix in alpha plus (place that was created was not always added to the resulting Petri net)

Removed

Deprecated

Changed

• d97b179
  • drop deepcopy in event log sorting (enhances performance)
• 1d4e625
  • revised IMf implementation (more close to ProM / PhD thesis Sander Leemans)
• 20aabd9
  • calculation of minimum self distance now adheres to the standard invocation structure

Added

• 598c6ec
  • simplified interface now stores properties (using attr attribute) to dataframes
• 1f7a3fa
  • add computation of rework statistic (cases containing the same activity more than once)
• 32c7d33
  • add computation of cycle time (active time of process divided by the number of instances of the process)
• 8187f0e
  • add distribution plots over different time-frames (matplotlib)
• 269d826
  • add batch detection based on Martin, N., Swennen, M., Depaire, B., Jans, M., Caris, A., & Vanhoof, K. (2015,
    December). Batch Processing: Definition and Event Log Identification. In SIMPDA (pp. 137-140).
• d5326d4
  • compute case overlap of a case with all other cases

Other

• 92a7058
  • performance optimization for calculation of performance spectrum
• b0fc57c
  • performance optimization for Pandas datetime conversion non-ISO8601 (regular formats)

PM4Py 2.2.8

Fixed

• c11bab8
  • bug fix in eventually-follows filter
• d3fd1bc
  • bug fix in activity frequency constraints of the log skeleton conformance checking

Removed

Deprecated

Changed

• d96d9d6
  • improved performance of the df-based performance spectrum code
• 499d8a1
  • improved performance of log conversions when (for internal use) deep copy is not required

Added

• 4d67993
  • allow the possibility to filter on a trace attribute that has a type date (e.g., does the planned start date of
    the case fall in a given time window?)
• b7ef36e
  • add properties object to trace attributes (used for internal storage of statistics, will not be exported to disk)
• d702936
  • added some basic ML utilities for event logs, e.g., getting all prefixes of traces, get a train/test split
• 1ec5802
  • new subtrace selection mechanism that gets all events inbetween two given activity labels (uses first match on
    both 1st and 2nd label)
• 9b65bbd
  • allow specification of business hours in sojourn time computation of the DFG
• 4d529d6
  • generic support for feature extraction

Other

PM4Py 2.2.7

Fixed

• 908e06d
  • fix error in loop detection of inductive miner
• b7b63e0
  • add internal log conversion in the flexible heuristics miner
• e9d61bd
  • fix minor bug in bpmn model importing
• 52cc0c7
  • fix minor bug in xes exporting (type of concept:name was not checked)

Removed

Deprecated

• 9c1a961
  • various old utility functions are now deprecated

Changed

• • avoid warnings when visualizing long place names in debug visualization mode

Added

• c2a9633, 52e340b
  • add simple visualization of performance spectrum.
• b6ae4b2
  • add simple dotted chart visualization to the simplified interface.
• 6e3a0ba
  • add properties attribute to event logs and event streams for storage of custom meta-data that is not exported to
    xes.
• fb14235
  • add version of dfg discovery that adds case-level attributes to nodes and edges
• d902609
  • add basic visualization of events per time and cas distribution graphs

Other

PM4Py 2.2.6

Fixed

Removed

Deprecated

Changed

• 766fafa
  • minor refactoring and more generic invocation style for eventually follows-based filtering

Added

• 353c7d6
  • Heuristics miner is now able to filter on edges connecting to/from start/end activity
• d641233
  • Parallel alignment computation can be directly invoked
    using pm4py.conformance_diagnostics_alignments(..., multi_processing=True)
• de84e5f
  • add pm4py.discover_bpmn_inductive(log)

Other