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Installing older version of R package

I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)). ...
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'pip' is not recognized as an internal or external command

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How to convert FileInputStream to InputStream? [closed]

... | edited Jun 19 '12 at 12:37 answered Jun 19 '12 at 12:16 ...
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What is the difference between self-types and trait subclasses?

... 275 It is predominately used for Dependency Injection, such as in the Cake Pattern. There exists a...
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NSDictionary - Need to check whether dictionary contains key-value pair or not

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Is there a builtin confirmation dialog in Windows Forms?

... 223 Here is an example. You can try something like this. var confirmResult = MessageBox.Show("Are...
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remove objects from array by object property

... | edited Jul 27 '18 at 2:38 answered May 10 '13 at 22:39 ...
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Entity Attribute Value Database vs. strict Relational Model Ecommerce

...ecome almost impossible Con: poor performance for large data sets Option 2, Modelling each entity separately: Con: more time required to gather requirements and design Con: new entities must be modelled and designed by a professional Con: custom interface components for each entity Pro: data typ...
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Meaning of Git checkout double dashes

... | edited Mar 24 '17 at 16:28 answered Nov 10 '12 at 11:09 ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

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