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I am a cross country runner on a high school team, and I am using my limited knowledge of R and linear algebra to create a ranking index for xc teams.

I get my data from milesplit.com, but I am unsure if I am formatting this data properly. So far I created matrices for each race, with odd columns including runner score and even columns including time, where each team has a team_score and team_time column. I want to analyze growth of teams in a time series, but I have two questions about this:

(1): can I combine all of these "race matrices" into a time series? Can I assign all the data in a race matrix a certain date, then make one big time series including all 25 race matrices I made?

(2): Am I closing myself off to insights by not including name and grade for each runner (as I only record time and score)? If so, how can I write a matrix that contains all this information?

Harry Murphy
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    Hi Harry, welcome to Stack Overflow. Could you [edit] your post to include example data (as text via `dput()`, not a screenshot) and your code so far? Take a look at [this answer](https://stackoverflow.com/a/5963610/17303805) for more detail about asking effective R questions. – zephryl Nov 22 '22 at 22:59

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