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Add legend to ggplot2 line plot
... plot your data:
##Subset the necessary columns
dd_sub = datos[,c(20, 2,3,5)]
##Then rearrange your data frame
library(reshape2)
dd = melt(dd_sub, id=c("fecha"))
All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_manual(val...
Where is nodejs log file?
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edited May 30 '12 at 12:54
answered May 30 '12 at 11:21
z...
How to perform OR condition in django queryset?
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573
from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True...
Chaining multiple filter() in Django, is this a bug?
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edited Jul 14 '17 at 8:55
Anupam
11.6k1111 gold badges4646 silver badges7575 bronze badges
answered N...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
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285
Add -lrt to the end of g++ command line. This links in the librt.so "Real Time" shared library.
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How to vertically align into the center of the content of a div with defined width/height?
...ually by changing the height % of your content div and multiplying it by -.5 to get your margin-top value.
.area{
position:relative;
display:block;
height:100px;
width:100px;
border:1px solid black;
background:red;
margin:10px;
}
.content {
position:absolute;
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Do SVG docs support custom data- attributes?
In HTML5, elements can have arbitrary metadata stored in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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How to generate a random string in Ruby
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
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edited Oct 5 '14 at 7:14
Sparhawk
1,27511 gold badge1717 silver badges2525 bronze badges
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nodeValue vs innerHTML and textContent. How to choose?
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157
Differences between textContent/innerText/innerHTML on MDN.
And a Stackoverflow answer about i...