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jpp

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1605.01 (1,580th) 		Reputation
107,077 (657th)
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Title Δ
Add a new column to a dataframe based on first value in row -1.43
How can I subtract 2 columns if another column's value is same... 0.00
Constructing Dictionary - List not same length -0.21
Filling a pandas column based on another column 0.00
pandas drop rows on groupby level 2 sum or mean conditions +0.33
Adding a list of Pandas series 0.00
Aggregating data using pandas python -1.84
Flatten lists of dicts on specified keys +0.38
How to filter repeat rows based on certain criteria -1.19
How to avoid Implicit fix done by python with UserWarning after Mas... -0.16
Create new rows if transpose index has duplicate values +2.84
Grouping and pivoting DataFrame with additional column for ratio of... -2.09
How to create a column timestamp while using apply in a pandas data... 0.00
Select specific row and column by indexing on dataframe directly -1.19
Extract Column Names based on Key Words Pandas DF -0.63
add new column comparing dates 0.00
Python pandas concatenate columns csv +0.34
pandas map one column to the combination of two columns -0.52
Python dynamically compute a list with no duplicates using only lis... -1.12
While using pandas apply() how to return the name of the function i... -1.54
Python: How to hide index when executing 0.00
Pandas columns variable length string slicing based on conditions +0.07
Finding the row number for the header row in a CSV file / Pandas Da... 0.00
How to strip a value from a delimited string +0.34
How to combine two pandas dataframes on two different columns havin... +0.34
Mask dataframe matching multiple conditions +0.33
Replacing a certain value in a dataframe 0.00
Python - select row cell based on another cell condition -0.66
Pandas - skip NULL value in calculation 0.00
Add a row in a dataframe under conditions -2.82
Compare a dictionary with other and select only those keys which ar... 0.00
Why does one use of iloc() give a SettingWithCopyWarning, but the o... -0.33
Map elements of a list to their index in another list -0.85
DataFrame slicing in Python fails +0.86
Python:How to rename columns with string and number -0.65
How to calculate matrix on per-row basis in numpy/scipy? 0.00
Pandas: Find first occurrences of elements that appear in a certain... -1.89
Modifying the first line of a DataFrame subject to a condition -1.91
Python Pandas Update Conditional on DF2 Column Values 0.00
type() call causing 'int object is not callable' error 0.00
Get first element greater than a given number from a sorted list +1.64
Comparing values in one column to values in a column in a second da... +1.67
Concatenate two dataframes and remove duplicate rows based on condi... 0.00
How to groupby and sum if the cell value of certain columns fit spe... +0.33
python slicing multi levels list of dict using list comprehension +0.33
Establish if a list of sets share data or not -1.19
How do I efficiently map integers to URIs in a multidemnsional array? 0.00
How can I undo a time series conversion of a pandas dataframe? 0.00
How to write a function which takes a string and turns into a singl... -0.08
How to convert a mapping of ranges into a dictionary -0.60