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Alex Riley

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1713.96 (93rd) 		Reputation
92,593 (843rd)
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Title Δ
reverse slice of string [x:y:-1] prints blank +0.30
How to split strings by only the first special character that's... +0.88
Extract indexes from Pandas DataFrame -1.46
Construct Pandas DataFrame with dict in form - index: list of row v... +0.38
retrieving columns based on condition in data frame +0.36
Apply numpy index to matrix +0.12
Why does numpy std() give a different result to matlab std()? +0.38
Floor or ceiling of a pandas series in python? +0.12
Reordering rows of a 3D array 0.00
Sorting of one list using specific strings contained in the list +0.24
Turn NumPy Array of characters into a string -1.76
Pandas: Add new columns to DataFrame based on values in columns 0.00
How to select specific column indices from a matrix? +0.78
Using lookhead/lookaround to find all digits in a sentence -2.62
numpy array directional mean without dimension reduction -0.30
combining vectors as column matrix in numpy -0.09
better way to vectorize using numpy +0.36
How to get a value from every column in a Numpy matrix +0.47
Best way to permute contents of each column in numpy -0.11
Compare two columns using pandas +1.26
Cannot populate numpy datetime64 arrays 0.00
computing rolling averages by integer days in pandas 0.00
pandas column comparing & column copying -1.97
Calculate delta from values in dataframe +0.17
Numpy removing rows in an array if one column's value does not... 0.00
Left shifting 1 by large numbers using numpy array +1.36
Numpy: copying an array to more dimensions -2.44
Syntax explanation of [target == t,1] 0.00
Python: Taking mean over many rows and fixed column 0.00
Check if Domain is registered or not without Whois? 0.00
Python Pandas read_csv skip rows but keep header 0.00
How to shift entire groups in pandas groupby 0.00
pandas: sample groups after groupby -0.39
How to add values in keys in a dictionary inside a loop? +1.19
Convert list to list of ids +1.05
Python pandas best way to select all columns starting with X -0.70
Python Pandas dropping all columns with nans, 0, and NA from datafr... -0.05
numpy.searchsorted for an array containing numpy.nan 0.00
how to get list of domains which contains a keyword -0.13
categorical variables with pandas 0.00
How can I select 'last business day of the month' in Pandas? 0.00
how to construct diagonal array using a 2d array in numpy? +0.38
Conditional dictionary explicit initialization +0.90
How to change all characters except for the two? +1.65
compute a xi-xj matrix in numpy without loops (by api calls) +1.84
How to find the index of a value in 2d array in Python? +0.35
applying function to pandas dataframe column numpy error +0.36
Combine columns in a Pandas DataFrame to a list in a DataFrame 0.00
map the values on pandas dataframe using the values on the correspo... 0.00
NumPy: counting sizes of row-wise intersections between two arrays -0.63