Description Usage Arguments Value Examples
This function is able to log transform (use rlog function in DESeq2 package) count data originated from a RNA-seq experiment, and draw a PCA plot to reflect sample relationship. That's a good way to check batch effect from gene expression matrix.
| 1 | plot_pca(count, color, shape, color.legend = "cell", shape.legend = "donor")
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| count | the gene expression count matrix | 
| color | a character vector whose length is same as samples, different value corresponds to different point color in the plot | 
| shape | a character vector whose length is same as samples, different value corresponds to different point shape in the plot | 
| color.legend | the legend text corresponds to point color | 
| shape.legend | the legend text corresponds to point shape | 
a ggplot object
| 1 2 3 4 | 
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