Compute the running (cumulative) maximum for a series in pandas

by

Use cummax

df.High.cummax()

0    954
1    954
2    954
3    955
4    956
5    956
6    956
7    956
Name: High, dtype: int64

df['Max'] = df.High.cummax()
df

enter image description here

More Related Contents:

  1. error when applying function to a series object
  2. How to convert index of a pandas dataframe into a column
  3. Pandas filtering for multiple substrings in series
  4. df.append() is not appending to the DataFrame
  5. Is there a simple way to change a column of yes/no to 1/0 in a Pandas dataframe?
  6. Combining two Series into a DataFrame in pandas
  7. Convert pandas Series to DataFrame
  8. Pandas selecting by label sometimes return Series, sometimes returns DataFrame
  9. how do I calculate a rolling idxmax
  10. Remove name, dtype from pandas output of dataframe or series
  11. Convert pandas data frame to series
  12. What is the fastest and most efficient way to append rows to a DataFrame?
  13. Using replace efficiently in pandas
  14. Python Pandas iterate over rows and access column names
  15. Python Pandas : pandas.to_datetime() is switching day & month when day is less than 13
  16. Difference between df[x], df[[x]], df[‘x’] , df[[‘x’]] and df.x
  17. Compare two DataFrames and output their differences side-by-side
  18. Selecting a row of pandas series/dataframe by integer index
  19. How do I find the closest values in a Pandas series to an input number?
  20. How do I count the NaN values in a column in pandas DataFrame?
  21. getting the index of a row in a pandas apply function
  22. Tilde sign in pandas DataFrame
  23. Drop columns whose name contains a specific string from pandas DataFrame
  24. Python Pandas How to assign groupby operation results back to columns in parent dataframe?
  25. python Pandas DataFrame copy(deep=False) vs copy(deep=True) vs ‘=’
  26. Extract column value based on another column in Pandas
  27. Change the color of text within a pandas dataframe html table python using styles and css
  28. Remove substring from column based on another column
  29. start index at 1 for Pandas DataFrame
  30. Multi Index Sorting in Pandas

Leave a Comment