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I needed to install Rgraphgviz package, for which i found this code 

if (!requireNamespace("BiocManager", quietly = TRUE))
    install.packages("BiocManager")
BiocManager::install("Rgraphviz", version = "3.8")

It seems I need to install BiocManager package as well. Can anyone help me with this? or is there an other way?

zx8754
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Sourav Kumar
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1 Answers1

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If statement is checking if you already have BiocManager package installed, if not then install it. Because we will need this package to install other bioconductor packages.

BiocManager - A convenient tool to install and update Bioconductor packages.

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