Range of Data

Extract the subset of rows of the data frame where Ozone values are above 31 and Temp values are above 90. What is the mean of Solar.R in this subset?

Google search: “R subset values in one column above threshold”

This was a very helpful link:

[1] http://www.ats.ucla.edu/stat/r/faq/subset_R.htm


This arrived at the correct answer:



About Lisa Johnson

PhD candidate at UC Davis in Molecular, Cellular, and Integrative Physiology
This entry was posted in Coursera, R. Bookmark the permalink.

2 Responses to Range of Data

  1. Kynan says:

    You are a life saver, been stressing over this and flicking through everything for ages.

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