library(readxl) library(ggplot2) library(fpp2) a <- read_excel('e:/data.xlsx',sheet=1,col_names = TRUE) autoplot(ts(a$finalpriceabid,start=c(1390,9,6),frequency = 365), xlab = "زمان", ylab = "مقدار قیمت پایانی سهام دعبید",main = "روند قیمت پایانی سهام دعبید در طی سال های ۱۳۹۰ تا ۱۳۹۸")+theme(plot.title = element_text(hjust = 0.5))
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