Question: Hello I'd like to plot my data frame using R programming. my data frame is in csv file, so I imported into my R studio.

Hello

I'd like to plot my data frame using R programming.

my data frame is in csv file, so I imported into my R studio.

I used codes

library(zoo)

month = as.yearnom(data$Month)

newdata= data.frame(Month,Sales) par(mfrow=c(2,2),oma=c(0,0,0,0)) plot(newdata,type='l',xlab='year and month', ylab='Log of sales')

However, the code month = as.yearnom(data$Month) generates

month [1] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [22] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [43] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [64] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [85] NA NA NA NA NA NA NA NA NA NA NA NA

I'd like to plot so that i can see the date according to months.

How do I do this ?

These are the data I used

Month Sales Jan-62 2.851 Feb-62 2.672 Mar-62 2.755 Apr-62 2.721 May-62 2.946 Jun-62 3.036 Jul-62 2.282 Aug-62 2.212 Sep-62 2.922 Oct-62 4.301 Nov-62 5.764 Dec-62 7.132 Jan-63 2.541 Feb-63 2.475

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