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Add legend to ggplot2 line plot
I have a question about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the three colors used. This is the code used
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Why do we have to normalize the input for an artificial neural network?
It is a principal question, regarding the theory of neural networks:
9 Answers
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What is the difference between Android margin start/end and right/left?
What is difference between Android margin start and right (or margin end and left)?
2 Answers
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Use IntelliJ to generate class diagram
How do I get IntelliJ 10.5 (on the Mac) to generate a class diagram showing all of the classes in my project? I'm sure I'm overlooking something obvious, but I can only get the "Show Diagram" feature to show one class at a time. (I also figured out how to add additional classes, but again, only on...
How do I pick randomly from an array?
I want to know if there is a much cleaner way of doing this. Basically, I want to pick a random element from an array of variable length. Normally, I would do it like this:
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What are some better ways to avoid the do-while(0); hack in C++?
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27 Answers
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What's the best way to put a c-struct in an NSArray?
What's the usual way to store c-structures in an NSArray ? Advantages, disadvantages, memory handling?
11 Answers
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Hide grid row in WPF
I have a simple WPF form with a Grid declared on the form. This Grid has a bunch of rows:
8 Answers
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Setting onClickListener for the Drawable right of an EditText [duplicate]
In my app I have a EditText with a search Icon on the right side. I used the code given below.
6 Answers
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Pass Array Parameter in SqlCommand
I am trying to pass array parameter to SQL commnd in C# like below, but it does not work. Does anyone meet it before?
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