In [29]:

    

import pandas as pd

commits = pd.read_csv("../../../intellij-community/git_oneline_numstat.log", 
            header=None, 
            sep='\t',
            names=["additions", "deletions", "filename"])
commits.head()


    

    
Out[29]:







  

    

      

      
additions
      
deletions
      
filename
    
  
  

    

      
0
      
5
      
1
      
platform/platform-api/src/com/intellij/openapi...
    
    

      
1
      
12
      
6
      
platform/lang-impl/src/com/intellij/ide/projec...
    
    

      
2
      
13
      
43
      
java/java-analysis-impl/src/com/intellij/codeI...
    
    

      
3
      
1
      
1
      
java/java-analysis-impl/src/com/intellij/codeI...
    
    

      
4
      
0
      
1
      
java/java-psi-api/src/com/intellij/psi/PsiUses...
    
  

In [30]:

    

commits.info()


    

    




<class 'pandas.core.frame.DataFrame'>
RangeIndex: 826173 entries, 0 to 826172
Data columns (total 3 columns):
additions    826173 non-null object
deletions    826173 non-null object
filename     826173 non-null object
dtypes: object(3)
memory usage: 18.9+ MB

In [32]:

    

commits['additions'] = pd.to_numeric(commits['additions'], errors='coerce')
commits['deletions'] = pd.to_numeric(commits['deletions'], errors='coerce')
commits.head()


    

    
Out[32]:







  

    

      

      
additions
      
deletions
      
filename
    
  
  

    

      
0
      
5.0
      
1.0
      
platform/platform-api/src/com/intellij/openapi...
    
    

      
1
      
12.0
      
6.0
      
platform/lang-impl/src/com/intellij/ide/projec...
    
    

      
2
      
13.0
      
43.0
      
java/java-analysis-impl/src/com/intellij/codeI...
    
    

      
3
      
1.0
      
1.0
      
java/java-analysis-impl/src/com/intellij/codeI...
    
    

      
4
      
0.0
      
1.0
      
java/java-psi-api/src/com/intellij/psi/PsiUses...
    
  

In [37]:

    

changes_per_file=commits.groupby('filename').count()\
.sort_values(by="additions", ascending=False)
changes_per_file.tail(10)


    

    
Out[37]:







  

    

      

      
additions
      
deletions
    
    

      
filename
      

      

    
  
  

    

      
plugins/junit5_rt/lib/junit-vintage-engine-4.12.0-M2.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit-vintage-engine-4.12.0-M5.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/opentest4j-1.0.0-M1.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit-vintage-engine-4.12.0-M6.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit-vintage-engine-4.12.0-RC2.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit-vintage-engine-4.12.0.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit4-engine-5.0.0-ALPHA.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit4-runner-5.0.0-ALPHA.jar
      
0
      
0
    
    

      
plugins/junit5_rt/lib/junit5-engine-5.0.0-ALPHA.jar
      
0
      
0
    
    

      
platform/icons/src/general/comboUpPassive@2x.png
      
0
      
0
    
  

In [26]:

    

changes_per_file[changes_per_file['additions'] > changes_per_file['additions'].quantile(0.9999)]


    

    
Out[26]:







  

    

      

      
additions
      
deletions
    
    

      
filename
      

      

    
  
  

    

      
resources/src/META-INF/IdeaPlugin.xml
      
920
      
920
    
    

      
platform/util/resources/misc/registry.properties
      
889
      
889
    
    

      
platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
      
849
      
849
    
    

      
plugins/groovy/src/META-INF/plugin.xml
      
791
      
791
    
    

      
python/src/META-INF/python-plugin-common.xml
      
601
      
601
    
    

      
platform/platform-resources/src/META-INF/LangExtensions.xml
      
545
      
545
    
    

      
plugins/groovy/src/org/jetbrains/plugins/groovy/annotator/GroovyAnnotator.java
      
541
      
541
    
    

      
platform/util/src/com/intellij/util/ui/UIUtil.java
      
535
      
535
    
    

      
plugins/InspectionGadgets/src/com/siyeh/InspectionGadgetsBundle.properties
      
523
      
523
    
    

      
resources/src/idea/ActionManager.xml
      
516
      
516
    
    

      
platform/platform-resources-en/src/misc/registry.properties
      
435
      
435
    
    

      
platform/platform-resources-en/src/messages/ActionsBundle.properties
      
414
      
414
    
    

      
python/src/com/jetbrains/python/PyBundle.properties
      
385
      
385
    
    

      
platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
      
385
      
385
    
    

      
platform/testFramework/src/com/intellij/testFramework/fixtures/impl/CodeInsightTestFixtureImpl.java
      
384
      
384
    
    

      
build/scripts/layouts.gant
      
373
      
373
    
    

      
platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
      
360
      
360
    
    

      
plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/InspectionGadgetsBundle.properties
      
356
      
356
    
    

      
java/java-psi-impl/src/com/intellij/psi/impl/source/resolve/graphInference/InferenceSession.java
      
354
      
354
    
    

      
platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
      
352
      
352
    
    

      
platform/platform-resources-en/src/messages/IdeBundle.properties
      
344
      
344
    
    

      
platform/platform-resources/src/idea/PlatformActions.xml
      
344
      
344
    
  

In [4]:

    

changes_per_file.reset_index()['additions'].plot(logy=True)


    

    
Out[4]:





<matplotlib.axes._subplots.AxesSubplot at 0x21c4fac5518>