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Converting strings to floats in a DataFrame

...or pd.to_numeric as described in other answers. This is available in 0.11. Forces conversion (or set's to nan) This will work even when astype will fail; its also series by series so it won't convert say a complete string column In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series([...
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How do I schedule jobs in Jenkins?

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Change select box option background color

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How to turn NaN from parseInt into 0 for an empty string?

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plot a circle with pyplot

... Here's an example of doing this: import matplotlib.pyplot as plt circle1 = plt.Circle((0, 0), 0.2, color='r') circle2 = plt.Circle((0.5, 0.5), 0.2, color='blue') circle3 = plt.Circle((1, 1), 0.2, color='g', clip_on=False) fig, ax = plt.subplots() # note we must use plt.subplots, not plt.subplot...
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Intelligent point label placement in R

1) Is there any R library/function which would implement INTELLIGENT label placement in R plot? I tried some but they are all problematic - many labels are overlaping either each other or other points (or other objects in the plot, but I see that this is much harder to handle). ...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

... 184 When you do len(df['column name']) you are just getting one number, namely the number of rows ...
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Is there a way to detect if an image is blurry?

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How do I find the time difference between two datetime objects in python?

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