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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of both side gives log y = log A + Bx. So fit (log y) against x.
Note that fitting (log y) as if it is linear will emphasize sm...
How to Create Deterministic Guids
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154
As mentioned by @bacar, RFC 4122 §4.3 defines a way to create a name-based UUID. The advantage ...
Group by multiple columns in dplyr, using string vector input
... <dbl>
1 A A 0.04095002
2 A B 0.24943935
3 A C -0.25783892
4 B A 0.15161805
5 ...
C# member variable initialization; best practice?
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answered Nov 18 '08 at 9:04
Marc Gravell♦Marc Gravell
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How can I get a file's size in C++? [duplicate]
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154
#include <fstream>
std::ifstream::pos_type filesize(const char* filename)
{
std::ifst...
Sort Go map values by keys
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answered Apr 28 '14 at 3:36
MingyuMingyu
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Best way to parse command-line parameters? [closed]
...t, for example:
Map('infile -> test/data/paml-aln1.phy, 'maxsize -> 4, 'minsize -> 2)
This version only takes one infile. Easy to improve on (by using a List).
Note also that this approach allows for concatenation of multiple command line arguments - even more than two!
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How to get current timestamp in milliseconds since 1970 just the way Java gets
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If you have access to the C++ 11 libraries, check out the std::chrono library. You can use it t...
Go > operators
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edited Nov 10 '15 at 20:44
stormdrain
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answered...