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Alex Riley

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1713.96 (93rd) 		Reputation
92,593 (843rd)
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Title Δ
Python numpy subtraction no negative numbers (4-6 gives 254) +0.37
Reshape of set of arrays in 3D array +0.37
How can I make a padded numpy array using the first/last row/column... 0.00
Get specific characters from string in Pandas data frame -0.13
Piping IP address from dig to whois 0.00
Value exceptions in Numpy 0.00
Change a 1D NumPy array from (implicit) row major to column major o... +1.52
Better way to parse from regex? +0.21
Reset cumsum if over limit (python) 0.00
pandas test if str contains one of a list +1.68
Split and change first character of a word to uppercase in Python +1.28
Set each individual column to have its own datatype 0.00
splitting numpy array into 2 arrays +2.26
Mapping one value to another in a list +0.14
regular expression, multiple parentheses and square brackets +0.41
How to efficiently turn a boolean numpy array into threshold boolea... +0.57
Python Convert String to List of Lists of Strings +0.66
Howto convert numpy 1D-array to congiuous 2D-column-array without c... +0.17
Numpy: Fastest way of computing diagonal for each row of a 2d array +1.77
Create NumPy array from another array by specifying rows and columns +1.54
Python pandas: get elements (index,col) below diagonal in dataframe +0.21
Slice 1D Array in Numpy without loop -0.10
Extract the Name and Span of Regex Matched Groups +0.38
remove duplicate element from a list, but only those who has odd nu... +0.21
Indexing a 2d array with a 3d array in numpy +1.43
Combining multiple DataFrames and removing identical names +0.38
Pandas - consecutive values must be different 0.00
Creating matrix from dataframe 0.00
Determine if (*,G) forms an associative group in group theory +1.59
Finding the intersection between two series in Pandas using index 0.00
Concatenate two or more variables using Pandas to create a new vari... 0.00
numpy vectorize a function 0.00
Numpy columnwise subtraction; subtract (k,n) array from values in a... -2.34
python pandas how to check if the signs of a series conform to a gi... +1.27
Dataframe building by aggregating lists +3.93
Meaning of axis parameter switched in pd.DataFrame.all -0.49
Pandas Python: take a subset of df by row labels while using re.IGN... 0.00
How to merge Series to DataFrame as columns, broadcasting -0.49
How to analyze all duplicate entries in this Pandas Dataframe? -4.72
pick TxK numpy array from TxN numpy array using TxK column index ar... -4.59
How to Use Pandas with Multiple Column Numpy Array +1.21
Pandas - Create new dataframes based on ranked values in select col... 0.00
Unique values from some column, DF pandas -0.58
Try/Except not catching a "greater than" error -2.78
Sorting a pandas DataFrame by the order of a list 0.00
Python: Optimize deletion of elements not aligned in a numpy array 0.00
How to test if all rows are equal in a numpy +5.62
Python - split a string into sets of twos +1.97
Merging (logical OR) together the contents of two 'bitmaps'... +1.65
How to subtract pandas dataframe with number in each row +3.14