Description Usage Arguments Examples
Multiplies the square of the sd by the degrees of freedom. Used as an intermediate as part of the calculation to get the pooled standard deviation of a protein group. Returns a vector with the pooled sd calc intermediate
1 | square_x_df(dat, sd, df)
|
dat |
a data frame with peptide level data as rows and samples in columns |
sd |
peptide level sd of a ratio or median abundance |
df |
degrees of freedom |
1 | df$sd_calc <- square_x_df(df,"group1_sd", "group1_df")
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