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# examples-r |
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# The R Project for Statistical Computing |
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R is an open source programming language. It has become one of the powerful choices for statistical analysis. R helps you to get big picture of your data by calculating statistical parameters like mean, standard deviation, correlation etc. |
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[wikipedia.org/wiki/R_](https://en.wikipedia.org/wiki/R_(programming_language)) |
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## LabInstance gcc |
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![alt text](images/swarmlab-network.png "") |
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## Quickstart |
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This is a quickstart guide of howto use this *LabInstance* |
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- Working Directory |
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> /root |
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- Default user |
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> root |
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Here is a simple code to reinstall all the necessary R packages to keep you up and running. The script will check whether the required packages have been installed, if not, it will install them accordingly. |
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--- |
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#create a function to check for installed packages and install them if they are not installed |
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install <- function(packages){ |
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new.packages <- packages[!(packages %in% installed.packages()[, "Package"])] |
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if (length(new.packages)) |
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install.packages(new.packages, dependencies = TRUE) |
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sapply(packages, require, character.only = TRUE) |
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} |
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required.packages <- c("package1", "package2" ) |
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install(required.packages) |
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--- |
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--- |
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**MORE INFO** |
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See swarmlab and examples directory |
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--- |
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