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Erfan

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1645.43 (636th) 		Reputation
898 (169,245th)
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group by the count of how many successive days per id in pandas 0.00
Pandas - Calculate average of columns with condition based on value... +2.02
What is the Pandas Equivalent of SQL Update? +5.37
Pandas: finding start-end values of consecutive indexes in a Pandas... +3.92
How to transfer (sum up) the counts from a set of ranges to ranges... +2.33
Shift happens: using pandas shift to combine rows 0.00
populate row with opposite value of the xth previous row, if condit... -2.27
How to iterate over rows under a certain column if each row has mul... -2.20
DataFrame transformations using information from group_by 0.00
Cleaner way to select subset of minimum values per group? 0.00
Pandas Groupby Conditional Aggregation +0.25
how to filter multi-dimentional dataframe on sub dataframe -2.60
Convert a column of dates from ordinal numbers to the standard date... -3.25
pandas - how do i get the difference from a dataframe on the same c... -1.33
Replace some values in a dataframe with NaN's if the index of t... 0.00
Having trouble optimizing this code, wondering why it runs so slowl... -2.05
Trouble using ttest_ind on pandas dataframe -0.05
How to use dtype to predefine dtypes of a dataframe +3.99
Iterate through Dataframe Rows in Loop 0.00
Python pandas str.extract from multiple columns +1.40
Duplicate row creation and replace the cell value -1.43
Suggestions For Multiple Sub-String Filter With Python +3.80
Groupby, apply function to each row with shift, and create new column 0.00
Skip comments in python text file and insert column headings +0.32
Concat a dataframe's value to a dictionary's matching value +4.09
If statement on a cell in panda gives "The truth value of a Se... +4.13
How to sum up data in specific periods of date time in Pandas? -3.50
Appending converted values from a string to a new column in a data... +4.09
Convert arrays in a python list to pandas, to eventually df.sum() 0.00
Adding calculated columns and then just new data to a Pandas datafr... +1.63
How to sum similar pandas rows +4.21
Create new date column in python pandas -3.88
Renaming columns based on csv filename in pandas +1.11
Pandas filtering with tuples and wildcard 0.00
pandas: Group by splitting string value in all rows (a column) and... -2.95
Pandas - Opposite of drop duplicates, keep first -0.54
Filtering one CSV based on a Column in another CSV 0.00
How to extract apartment from address in Pandas +4.33
Python/Pandas remove the start of a string which contains a specifi... 0.00
Pandas group and join +4.24
Loop only takes last value -3.34
Fill NaN's within 1 column of a df via lookup to another df via... -2.48
How can I count the unique values in a Pandas Dataframe? +4.70
How do I change the index of a pandas dataframe object so as not to... 0.00
Pandas any 4 consecutive days in last 15 days python -0.02
Calculate for each row for how many columns is observation within t... 0.00
comparing the last values in pandas groupby -2.71
Reading in Columns from a text file Pandas -0.00
Combine datasets - different sizes and need one to repeat based on... -2.51
Pandas: Keep Column, Count, Drop Duplicates 0.00