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1603.61 (1,641st) 		Reputation
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Title Δ
isnull with multiple, specified columns +1.38
Python new columns from multi groupby -2.64
Pandas groupby and agg by condition +0.39
Vectorizing Pairwise Column Element-wise Product in NumPy -1.23
Get Column with Max Index Across a Group in Pandas Dataframe -1.74
how to filter a dataframe if a rows contains two values from a list... 0.00
Sum only if Previous > Current 0.00
Filter df if more than two unique values - pandas 0.00
How to group text in one row and calculate the time duration in pyt... +1.81
add calculated column using pandas +1.40
How to delete rows with 51%+ NaN values based on count from another... +0.33
Extract first values per 4 rows from pandas dataframe to make a new... +1.28
How to get the pandas series diff in a for loop? -0.51
Sum a cols by range from an other colum +0.23
Pandas Sort - Issues in keeping order -0.34
How to find set differences per row in a pandas DataFrame? +1.25
Replicate excel countifs formula for all rows 0.00
How to select with rows with maxium value for column by grouping th... 0.00
Set dataframe row value to a numpy array value -0.17
Python pandas appear warning when use dataframe operation 0.00
Multiply Column of One Dataframe by a Value from Another Dataframe,... +1.44
Concat dataframes in sequential manner -2.16
How do I group by a column, and count values in separate columns (P... +1.04
Get pairwise missing data rates 0.00
How to delete values between an interval in a dataframe 0.00
Pandas dataframe to sparse matrix based on group assignment (1 if i... 0.00
How can I add to a pandas column based on another column -0.66
How to implement "if-else" condition which involves multi... -0.17
How to use every row in a DataFrame to filter a query -0.42
Pandas: back unique values to column in order -1.13
Compare Dataframes of different size and create a new one if condit... -0.17
How to Retain Columns of lists in a dataframe with a specific value? -1.43
Replace value with Nan if Nan in separate row - Pandas -2.72
In Pandas, how can I include the date column that I am grouping by... -0.06
pandas find perfect match in substring 0.00
For each CohortGroup assign the Proper CohortPeriod Count -0.18
calculating unique percent change in dataframe series groupby +1.82
How to get the local maximum in row ranges in a 1D dataframe? +1.59
Finding value in column of data frame corresponding to two values i... -0.71
Pandas Conditional True 0.00
How to determine if a dataframe column contains a particular list,... -0.18
Adding a row to each index on a multi-indexed dataframe 0.00
'KeyError: (Timestamp('1993-01-29 00:00:00'), 'colN... 0.00
How to choose which nan in column header 0.00
How do I set a Series index to be DatetimeIndex instead of Index? 0.00
String Indexing in dataframe subset - pandas 0.00
Add new column to dataframe based on dictionary 0.00
How to find intersection of two column rows of data frame that is g... 0.00
How to select rows with specific string patterns in pandas? 0.00
Create list of unique values in pandas dataframe -- error: TypeErro... 0.00