Multiple column reassignments based on single condition
Sep 21, 2023 · Learning polars here and I often come across the pattern where I need to make multiple column reassignments based on a single condition. In pseudocode it would be …
python - Use of mode for a transform in pandas - Stack Overflow
Sep 6, 2022 · 5 A Y Yoyo 6 A Y Toy 7 A Y Puzzle 8 B X Ham 9 B X Grape 10 B X Ham 11 B X Ham 12 B Y Pear 13 B Y Pear 14 B Y Pear 15 B Y Ham And I try to apply a transform to get …
html - Transition hamburger / menu icon into cross /close icon …
Feb 3, 2018 · 4 I am trying to use a hack to change the "ham menu" icon to "close" icon on click using pure CSS only. Please check the code:
Using a variable from a different subprogram - Stack Overflow
Feb 20, 2014 · 0 I'm guessing by subprogram you mean function? The reason you are getting a 1 instead of a 4 is because x = 1 sets a global variable (in the global scope). When you do x = 4 …
Is there a way to retain keys in Polars left join - Stack Overflow
Dec 19, 2023 · Is there a way to retain both the left and right join keys when performing a left join using the Python Polars library? Currently it seems that only the left join key is retained but the …
coding style - What is the recommended whitespace for slicing …
Dec 12, 2012 · Examples of slicing in documentation only show integer literals and variables used as indices, not more complex expressions (e.g. myarray[x/3+2:x/2+3:2]). PEP-8 also doesn't …
Multiple assignment and evaluation order in Python
Jan 4, 2012 · See also Multiple assignment semantics regarding the effect and purpose of parentheses on the left-hand side of a multiple assignment. See also Understand Python …
Scikit: calculate precision and recall using cross_val_score function
Dec 8, 2014 · I'm using scikit to perform a logistic regression on spam/ham data. X_train is my training data and y_train the labels ('spam' or 'ham') and I trained my LogisticRegression this …
python - What are X_train and y_train? - Stack Overflow
Jun 3, 2018 · X corresponds to your float feature matrix of shape (n_samples, n_features) (aka. the design matrix of your training set) y is the float target vector of shape (n_samples,) (the …
html - Responsive SVG viewBox - Stack Overflow
Dec 10, 2018 · I made a "hamburger button" in SVG, as seen below. body { margin: 0; text-align: center; } svg#ham-btn { margin: 2rem; border: 1px solid black; fill: #383838; } < ...
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