Issues

• Bug in PlotCutflow task

  columnflow/columnflow#801 · Filter by author Ming-Yan opened on May 11, 2026
  1

• PlotVariable1D not working if zero events survive the variable selection

  columnflow/columnflow#794 · Filter by author JoDrews opened on Mar 12, 2026

• MergeHistograms files are not always deleted with --remove-output

  columnflow/columnflow#793 · Filter by author JoDrews opened on Mar 12, 2026

• Add support for electron sf corrector version 4

  CMSenhancement
  columnflow/columnflow#774 · Filter by author lmoureaux opened on Jan 13, 2026
  2

  

• Graceful handling of empty outputs in ReduceEvents task ?

  CMSquestion
  columnflow/columnflow#767 · Filter by author kjaffel opened on Nov 28, 2025
  1

  

• Question about GetDatasetLFNs behavior in chunk processing

  CMSquestion
  columnflow/columnflow#766 · Filter by author kjaffel opened on Nov 26, 2025
  1

  

• Order of Parameters (categories,variables,shift-sources) is not maintained

  priority-low
  columnflow/columnflow#717 · Filter by author mafrahm opened on Jul 29, 2025

• PlotVariables1D not working when requesting a shift != nominal

  plotting
  columnflow/columnflow#708 · Filter by author mafrahm opened on Jul 3, 2025
  

• PlotCutflowVariables1D not working

  columnflow/columnflow#695 · Filter by author JulesVandenbroeck opened on Jun 11, 2025

• Define a new process with alternative weights

  columnflow/columnflow#688 · Filter by author anigamova opened on May 27, 2025
  2

• Documentation outdated

  CMSdocumentationpriority-medium
  Task

  columnflow/columnflow#651 · Filter by author riga opened on Mar 24, 2025
  1

• Linting errors in examples

  columnflow/columnflow#634 · Filter by author lmoureaux opened on Feb 26, 2025
  4

• get_jec_config_default returns str, .load() method used on result

  columnflow/columnflow#619 · Filter by author lmoureaux opened on Feb 9, 2025
  1

• PlotVariablesBase can load/plot histograms for the same leaf process instance multiple times

  enhancementplottingpriority-medium
  columnflow/columnflow#595 · Filter by author pkausw opened on Jan 7, 2025

• Make input column checks consider dependent producers

  columnflow/columnflow#584 · Filter by author riga opened on Dec 6, 2024

• Distinguish ML model parameters for training and evaluation

  columnflow/columnflow#573 · Filter by author riga opened on Nov 26, 2024
  1

• Plotting updates

  columnflow/columnflow#572 · Filter by author riga opened on Nov 26, 2024

• Unable to handle many categories via create_category_combinations ?

  columnflow/columnflow#547 · Filter by author gsaha009 opened on Oct 12, 2024
  6

• cmssw_columnar.sh sandbox not working in htcondor workflow

  columnflow/columnflow#535 · Filter by author pkausw opened on Aug 19, 2024

• fill_hist in columnar_util.py broken: cannot pickle 'dict_keys' object

  columnflow/columnflow#522 · Filter by author JulesVandenbroeck opened on Aug 6, 2024
  2

• columnflow setup for slurm cluster

  columnflow/columnflow#418 · Filter by author JohanWulff opened on Apr 16, 2024
  15

• Jet corrector for different clustering algorithms

  columnflow/columnflow#408 · Filter by author apaasch opened on Mar 15, 2024

• Lazy creation of categories

  columnflow/columnflow#403 · Filter by author mafrahm opened on Feb 29, 2024
  4

• Create inheritence structure for CutflowPlots

  documentationpriority-low
  columnflow/columnflow#378 · Filter by author pkausw opened on Jan 10, 2024

• cms label is on top of y axis label

  plottingpriority-low
  columnflow/columnflow#373 · Filter by author mafrahm opened on Dec 21, 2023
  1