labels in ggplot2 code example

Example 1: how to change labels on legend ggplot

scale_color_manual(values = c("#D16103", "#4E84C4"),
                     labels = c("Justin", "Myself"))

Example 2: ggplot geom_bar x axis labels

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p + scale_x_discrete(limit = c("I1", "SI2", "SI1"),
                     labels = c("Ione","SItwo","SIone"))