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How to add texture to fill colors in ggplot2
I'm currentlm>y m> using scale_brewer() for fill m>and m> these look beautiful in color (on screen m>and m> via color printer) but print relativelm>y m> uniformlm>y m> as grem>y m>s when using a black m>and m> white printer. I searched the online ggplot2 documentation but didn't see anm>y m>thing about adding textures to fill colors. ...
reducing number of plot ticks
I have too manm>y m> ticks on mm>y m> graph m>and m> them>y m> are running into each other.
7 Answers
7
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...m>y m> wam>y m>s to do this. This answer starts with what is quicklm>y m> becoming the stm>and m>ard method, but also includes older methods m>and m> various other methods from answers to similar questions scattered around this site.
tmp <- data.frame(x=gl(2,3, labels=letters[24:25]),
m>y m>=gl(3,1,6, labe...
How to succinctlm>y m> write a formula with manm>y m> variables from a data frame?
Suppose I have a response variable m>and m> a data containing three covariates (as a tom>y m> example):
6 Answers
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Equation for testing if a point is inside a circle
If m>y m>ou have a circle with center (center_x, center_m>y m>) m>and m> radius radius , how do m>y m>ou test if a given point with coordinates (x, m>y m>) is inside the circle?
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Can a C# lambda expression have more than one statement?
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edited Jul 15 at 14:02
m>And m>rew
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answered Apr 13 '11 at 18:23
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Generate a heatmap in MatPlotLib using a scatter data set
...ou can use numpm>y m>'s histogram2d function:
import numpm>y m> as np
import numpm>y m>.rm>and m>om
import matplotlib.pm>y m>plot as plt
# Generate some test data
x = np.rm>and m>om.rm>and m>n(8873)
m>y m> = np.rm>and m>om.rm>and m>n(8873)
heatmap, xedges, m>y m>edges = np.histogram2d(x, m>y m>, bins=50)
extent = [xedges[0], xedges[-1], m>y m>edges[0], m>y m>edges[...
Have bash script answer interactive prompts [duplicate]
Is it possible to have a bash script automaticallm>y m> hm>and m>le prompts that would normallm>y m> be presented to the user with default actions? Currentlm>y m> I am using a bash script to call an in-house tool that will displam>y m> prompts to the user (prompting for m>Y m>/N) to complete actions, however the script I'm writ...
MIN m>and m> MAX in C
Where are MIN m>and m> MAX defined in C, if at all?
14 Answers
14
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Sort rows in data.table in decreasing order on string kem>y m> `order(-x,v)` gives error on data.table 1.
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Update
data.table v1.9.6+ now supports OP's original attempt m>and m> the following answer is no longer necessarm>y m>.
m>Y m>ou can use DT[order(-rank(x), m>y m>)].
x m>y m> v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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