error filtering data: Faceting variables must have at least one value
问题 I am trying to write a code by using dplyr and a yeast dataset I Read in the data with this code gdat <- read_csv(file = "brauer2007_tidy1.csv") I ommitted na's by using this gdat <- na.omit(gdat) library(ggplot2) Then I tried to filter some genes according to their column name "symbol" and used ggplot to make a plot filter(gdat, symbol=="QRI7", symbol== "CFT2", symbol== "RIB2", symbol=="EDC3", symbol=="VPS5", symbol=="AMN1" & rate=.05) %>% ggplot(aes(x=rate, y=expression, group=1, colour