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Simultaneouslm>y m> merge multiple data.frames in a list
... issue here is that each data.frame differs in terms of the number of rows m>and m> columns, but them>y m> all share the kem>y m> variables (which I've called "var1" m>and m> "var2" in the code below). If the data.frames were identical in terms of columns, I could merelm>y m> rbind , for which plm>y m>r's rbind.fill would...
Does Pm>y m>thon have a ternarm>y m> conditional operator?
...rst condition is evaluated, then exactlm>y m> one of either a or b is evaluated m>and m> returned based on the Boolean value of condition. If condition evaluates to True, then a is evaluated m>and m> returned but b is ignored, or else when b is evaluated m>and m> returned but a is ignored.
This allows short-circuiting ...
Emulate ggplot2 default color palette
...+1 I like m>y m>our nice, simple solution, although I am still trm>y m>ing to understm>and m> whm>y m> m>y m>ou have length=n+1 in the seq, whereas I have length=n
– m>And m>rie
Nov 19 '11 at 22:18
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unix diff side-to-side results?
How can I plot the results of a unix diff commm>and m> side-to-side instead of one difference after the other? See below for an example:
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What does the construct x = x || m>y m> mean?
I am debugging some JavaScript, m>and m> can't explain what this || does?
12 Answers
12
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Multiple linear regression in Pm>y m>thon
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Here is a little work around that I created. I checked it with R m>and m> it works correct.
import numpm>y m> as np
import statsmodels.api as sm
m>y m> = [1,2,3,4,3,4,5,4,5,5,4,5,4,5,4,5,6,5,4,5,4,3,4]
x = [
[4,2,3,4,5,4,5,6,7,4,8,9,8,8,6,6,5,5,5,5,5,5,5],
[4,1,2,3,4,5,6,7,5,8,7,8,7,8,7,8,7,...
Is there a stm>and m>ardized method to swap two variables in Pm>y m>thon?
...om left to right. Notice that while
evaluating an assignment, the right-hm>and m> side is evaluated before the
left-hm>and m> side.
http://docs.pm>y m>thon.org/3/reference/expressions.html#evaluation-order
That means the following for the expression a,b = b,a :
the right-hm>and m> side b,a is evaluated,...
How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in stm>and m>ard NMEA format is there an easm>y m> wam>y m> / formula to convert that reading to meters, which I can then implement in Java (J9)?
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Calculating Pearson correlation m>and m> significance in Pm>y m>thon
I am looking for a function that takes as input two lists, m>and m> returns the Pearson correlation , m>and m> the significance of the correlation.
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What exactlm>y m> does += do in pm>y m>thon?
... that simple. I also would appreciate links to definitions of other short hm>and m> tools in pm>y m>thon.
14 Answers
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