What is the entry code formula autocovariance and autocorrelation in R
program for these data?

a<c(2,3.5,3.5,2.2,2.2,3.3,2.5,2.5,3.2,2.5,2.5,2.7,1.7,2.7,2.9,2.3,2.7,3,1.8,2.5,3.1,2.5,2.5,3.2,2.7,1.9,2.6,2.3,2.7,3.2,2.2,1.5,2.3,2.6,2.5,2.9,2,2.5,2.6,2.4,2.6,2.8,2.5,2.6,3.2,1.8,2.7,3.4,2.2,2.9,3.2)

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