Cant read my data

It looks to me like you have successfully read the data into DX. Doing something like the analysis in the blog post is a big job and very different than the point of this thread, which was reading the data. I suggest you start a new thread asking about forecasting. Explain which quantity you want to predict and the size and structure of your data. Showing the output of the command

summary(DX)

can be very helpful. Even better would be preparing a reproducible example as explained in the link below. That might be difficult but do try to give as much information about the data as possible.

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