First non-null value per row from a list of Pandas columns

by

Fill the nans from the left with fillna, then get the leftmost column:

df.fillna(method='bfill', axis=1).iloc[:, 0]

More Related Contents:

  1. error when applying function to a series object
  2. How to group dataframe rows into list in pandas groupby
  3. Groupby value counts on the dataframe pandas
  4. Pandas: Chained assignments [duplicate]
  5. Apply pandas function to column to create multiple new columns?
  6. Reading an Excel file in python using pandas
  7. Python Pandas: Get index of rows which column matches certain value
  8. Python: Convert timedelta to int in a dataframe
  9. How to insert pandas dataframe via mysqldb into database?
  10. Pandas make new column from string slice of another column
  11. Update a dataframe in pandas while iterating row by row
  12. Conditionally format Python pandas cell
  13. import csv with different number of columns per row using Pandas
  14. Selecting columns from pandas MultiIndex
  15. How to concatenate multiple column values into a single column in Pandas dataframe
  16. Python Pandas write to sql with NaN values
  17. Pandas style function to highlight specific columns
  18. pandas.io.json.json_normalize with very nested json
  19. Python pandas convert datetime to timestamp effectively through dt accessor
  20. Checking if particular value (in cell) is NaN in pandas DataFrame not working using ix or iloc
  21. Time Series Analysis – unevenly spaced measures – pandas + statsmodels
  22. Move column by name to front of table in pandas
  23. matplotlib savefig() size control
  24. Is there a way to speed up handling large CSVs and dataframes in python?
  25. How to use numpy to get the cumulative count by unique values in linear time?
  26. Using regex matched groups in pandas dataframe replace function
  27. converting list of header and row lists into pandas DataFrame
  28. How to return a csv file/Pandas DataFrame in JSON format using FastAPI?
  29. How to get number of groups in a groupby object in pandas?
  30. Python generating a list of dates between two dates

Leave a Comment