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How to smooth a curve in the right way?
...ort numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the co...
Homebrew’s `git` not using completion
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17 Answers
17
Active
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What is the exact meaning of IFS=$'\n'?
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161
Normally bash doesn't interpret escape sequences in string literals. So if you write \n or "\n...
How do I store data in local storage using Angularjs?
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10 Answers
10
Active
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Git: Recover deleted (remote) branch
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103
I'm not an expert. But you can try
git fsck --full --no-reflogs | grep commit
to find the H...
Speed up the loop operation in R
...on). The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
1...
Is there a way to 'uniq' by column?
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sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.n...
Identifying the dependency relationship for python packages installed with pip
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187
You could try pipdeptree which displays dependencies as a tree structure e.g.:
$ pipdeptree
...