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Changing column names of a data frame
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Use the colnames() function:
R> X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also...
How to upgrade Eclipse for Java EE Developers?
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3 Answers
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How can I wrap text to some length in Vim?
...ption 1 would be achieved by setting textwidth (for example :set textwidth=30 (from Swaarop's answer)). Then you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowra...
Referring to a file relative to executing script
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3 Answers
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GridLayout and Row/Column Span Woe
...t_gravity="fill_vertical"
android:layout_rowSpan="4"
android:text="3" />
<Button
android:layout_columnSpan="3"
android:layout_gravity="fill"
android:layout_rowSpan="2"
android:text="4" />
<Button
android:layout_columnSpan="3"
android:layout_gravity="fill...
Git status - is there a way to show changes only in a specific directory?
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203
From within the directory:
git status .
You can use any path really, use this syntax:
git ...
Why does Azure deployment take so long?
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3 Answers
3
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Declare a constant array
...it constant.
The nearest you can get is:
var letter_goodness = [...]float32 {.0817, .0149, .0278, .0425, .1270, .0223, .0202, .0609, .0697, .0015, .0077, .0402, .0241, .0675, .0751, .0193, .0009, .0599, .0633, .0906, .0276, .0098, .0236, .0015, .0197, .0007 }
Note the [...] instead of []: it ens...
Python: What OS am I running on?
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answered Aug 5 '08 at 3:27
Louis BrandyLouis Brandy
15.1k33 gold badges3333 silver badges2929 bronze badges
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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edited Jan 30 '14 at 7:03
shashwat
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