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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...instructions:
from sklearn.model_selection import train_test_split
data, labels = np.arange(10).reshape((5, 2)), range(5)
data_train, data_test, labels_train, labels_test = train_test_split(data, labels, test_size=0.20, random_state=42)
This way you can keep in sync the labels for the data you'...
How to get value of selected radio button?
... in many of the posted answers.
Example Form
<form id="test">
<label><input type="radio" name="test" value="A"> A</label>
<label><input type="radio" name="test" value="B" checked> B</label>
<label><input type="radio" name="test" value="C"> C&l...
Matplotlib discrete colorbar
...unds, format='%1i')
ax.set_title('Well defined discrete colors')
ax2.set_ylabel('Very custom cbar [-]', size=12)
I personally think that with 20 different colors its a bit hard to read the specific value, but thats up to you of course.
...
Matplotlib 2 Subplots, 1 Colorbar
...om((10,10)), vmin=0, vmax=1)
# Colorbar
ax.cax.colorbar(im)
ax.cax.toggle_label(True)
#plt.tight_layout() # Works, but may still require rect paramater to keep colorbar labels visible
plt.show()
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...
Scatterplot with marginal histograms in ggplot2
...uts a varying panel width that changes depending on the extent of the axis labels etc. Have a look at ggExtra::align.plots to see the kind of hack that is currently required to align axes.
– baptiste
Dec 18 '11 at 18:51
...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...hen if you want to plot, you could do:
plt.figure()
plt.plot(x, yn, 'ko', label="Original Noised Data")
plt.plot(x, func(x, *popt), 'r-', label="Fitted Curve")
plt.legend()
plt.show()
(Note: the * in front of popt when you plot will expand out the terms into the a, b, and c that func is expecting...
Checkbox for nullable boolean
...Html.CheckBox("RFP.DatesFlexible", Model.RFP.DatesFlexible ?? false)
@Html.Label("RFP.DatesFlexible", "My Dates are Flexible")
It's like accepted answer from @afinkelstein except we don't need special 'editor template'
sha...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
..., 0.1)
fig = plt.figure(1)
ax = fig.add_subplot(111)
ax.plot(x, np.sin(x), label='Sine')
ax.plot(x, np.cos(x), label='Cosine')
ax.plot(x, np.arctan(x), label='Inverse tan')
handles, labels = ax.get_legend_handles_labels()
lgd = ax.legend(handles, labels, loc='upper center', bbox_to_anchor=(0.5,-0.1)...
How can I disable logging while running unit tests in Python Django?
...class MyOwnTestRunner(DjangoTestSuiteRunner):
def run_tests(self, test_labels, extra_tests=None, **kwargs):
# Don't show logging messages while testing
logging.disable(logging.CRITICAL)
return super(MyOwnTestRunner, self).run_tests(test_labels, extra_tests, **kwargs)
...
Change size of axes title and labels in ggplot2
...
You can change axis text and label size with arguments axis.text= and axis.title= in function theme(). If you need, for example, change only x axis title size, then use axis.title.x=.
g+theme(axis.text=element_text(size=12),
axis.title=element_t...