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Erfan

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1645.43 (636th) 		Reputation
898 (169,245th)
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Title Δ
Negating column values and adding particular values in only some co... -0.05
Convert string(Dec/2018) to datetime -0.88
How to append a numpy array to a pandas dataframe +0.44
Pandas dataframe columns extension using another dataframe column v... -1.47
How to flatten lists in Pandas Dataframe +0.44
Filtering pandas dataframe groups based on groups comparison -1.55
python datefinder's find_dates method is not returning the expe... 0.00
Is there a way to get value from adjacent column of data frame? -2.32
i have a pandas dataframe and i want to fill missing value 0.00
How can I convert a string to a dataframe, specifying the number of... -1.26
Pandas to sum unique values, and into a table +1.48
Adding a row with subtotal by category to my dataframe +1.42
Filter data in excel by date in Python 0.00
groupby , custom function uses column every first 4 rows (after gro... +0.41
Why am I getting error using .map in python function 0.00
Create an hourly Series of a year 0.00
Pandas: Extract data from column A that does not exist for column B -0.83
Convert header and values list to pandas dataframe 0.00
Delta between two dates in Excel return negative number +0.43
In Pandas, how to return rows which contain multiple instances of a... -1.68
Getting specific column/row name instead of index when using idxmin... 0.00
Read date from Excel file and get a delta with today's date +0.44
Converting string to datetime with format 0.00
How to accumulate values at hourly granularity given half hour gran... +0.36
How to retrieve, in Python, row and column numbers of the elements... -0.06
How to extract data the ip address from this format +0.40
How to send a dataframe as a CSV from Memory Using StringIO 0.00
How to rightly extract data from some different columns? +1.82
Calculate Percent-Change (over time) of pandas column values based... 0.00
Check to see if value is in DataFrame series ("The truth value... +0.18
Copy every 8 values from a df column, to one row in a new dataframe 0.00
Python Pandas: Label data with condition on rows +2.06
Add a new column to a dataframe based on an existing column value u... -2.32
Comparing the contents of two csv files, where the relation between... +0.33
Joining two dataframes on unique ID, but using another value if id... -1.50
Finding a word by its location in a URL pandas 0.00
Mark duplicates based on time difference between successive rows -0.88
How to extract specific String from pandas? 0.00
Getting maximum values in a column -0.04
changing data types of multiple columns at once in python/pandas +3.23
finding the maximum number of columns in a file or csv using Python -0.06
How to take all combination of a pandas dataframe (choosing 2 at a... +2.44
How to search and identify a float value in a csv file using pandas? -0.08
How to assign groups based on a maximum sum? +1.83
Is there a pandas function to transpose a data frame to create a se... -0.74
Using lambda or apply on multiple columns of a dataframe with lists... +2.09
Python Calculation by group +0.45
Break up a data-set into separate excel files based on a certain ro... -0.20
How to change an entry in a pandas dataframe to a string value -0.53
Check if positive value exist in dataframe -0.58