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koPytok

Rating
1537.78 (12,966th) 		Reputation
1,976 (84,822nd)
Page: 1 2 3
Title Δ
How to go to the next row by using index to iterate through the dat... 0.00
Pandas pd.Series() and pd.DataFrame() are very slow -0.37
pd.Series of lists to numpy 2d array +0.88
Append indices to duplicate strings in Python efficiently -3.15
trying to export data by city from csv to text 0.00
Calculate Mean Squared Error for different value-ranges 0.00
use pandas to parse csv,the result is wrong. the pandas version is... +3.64
Initialize all-true boolean index for Pandas -1.12
How do I convert these 2 columns as seen below in In [10] to a data... 0.00
Plot panda df with two variables 0.00
Truth value is ambiguous +3.14
AttributeError: 'DataFrame' object has no attribute 'pa... 0.00
Python creating multiple array from a basis array -1.89
How can I turn this nested JSON into a DataFrame? 0.00
Re-size the dataframe +0.03
Numpy array: how to row-wise check if first X amount of values are... -4.94
How to add data and datetime index at last row dataframe? +3.91
How to plot specific value counts? 0.00
groupby, filter, summarise in python? +3.55
Numpy next element minus previous +1.23
remove rows from pandas data frame with condition 0.00
Creating a datetime array with x seconds interval between cells in... -4.49
What is the best way to evaluate False as -1 and True as 1? +4.11
Efficient implementation to check: for each element in array check... -4.57
Python Non-Loop Way to change array values based on row and column... -1.41
Trouble unpacking returned tuple during list comprehension -2.30
Changing column values in pandas dataframe +1.53
Pandas split to several csv using groupby and saving it to the fold... +3.79
How to store result in for loop 0.00
Improve loop efficiency in game code 0.00
webscraping multiple pages using python -0.19
pandas: which threshold applies to each row? +0.44
Python script for date comparison in excel sheet 0.00
Calculate differences between elements in group -4.20
how to perform row by row operation in pandas +3.44
Replace nan values based on row conditions +4.62
How to build custom dictionary from string lists faster +3.71
Quote marks in bash file created in Python 0.00
How to subtract backwards in a list in Python 3? +2.05
Price parsing in python - How to split all strings in a list once b... +3.74
Cant calculate the age with conditions in python. Getting a value e... +4.14
need to drop the rows in data frame based on the values which has i... +3.61
How to automatically group conditions together in python? -0.52
How to hide SQL Plus password in Python script -4.26
Extracting YYYY-MM from datetime column -2.59
How to preprocess dataframe with multiple values in a cell? -0.12
Using Pandas df.boxplot() in subplots 0.00
Pandas Merge and Sum Data Frames 0.00
How to convert multi indexed dataframe into a complex structure? 0.00
find a value corresponding to a date in pandas +4.47