Question: How do you access the data frame's column and grab certain values for it in rstudio using data.frame()? Prompt: let's say we got a data

How do you access the data frame's column and grab certain values for it in rstudio using data.frame()?

Prompt: let's say we got a data set named MathPlacement, and we want to look at the column fccourse for students who placed in Math 186. (fcccourse=186). create PreCalc to store it.

MathPlacement:

fccourse
185
186
186
185
187
187
186
186
187

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