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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.
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Maven in Eclipse: step by step installation [closed]
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How to increase font size in a plot in R?
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145
You want something like the cex=1.5 argument to scale fonts 150 percent. But do see help(par) ...
IntelliJ IDEA 13 uses Java 1.5 despite setting to 1.7
Despite specifying JDK 1.7 in all project settings (including in File -> Project Structure -> Project :: Project SDK ), the following error is produced by IntelliJ 13 when trying to compile some simple Java 7 code which does use the diamond operator:
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Getting random numbers in Java [duplicate]
I would like to get a random value between 1 to 50 in Java.
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Normalize data in pandas
...In [92]: df
Out[92]:
a b c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min()...
What's the difference between lapply and do.call?
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127
There is a function called Map that may be similar to map in other languages:
lapply returns...
In the shell, what does “ 2>&1 ” mean?
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18 Answers
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Difference between break and continue statement
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21 Answers
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