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Getting Started With R
Objects and Functions
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This lesson is called Objects and Functions, part of the Getting Started With R course. This lesson is called Objects and Functions, part of the Getting Started With R course.
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Your Turn
Adapt your code from the last lesson so that it saves the data as an object called penguins_data
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Michelle Brodesky
March 13, 2024
I get the following error when trying to create the penguins_data object:
I can create the object if I use "read.csv", however. But, I can see that the tidyverse is loaded, so I'm not sure why the read_csv function can't be found.
David Keyes Founder
March 13, 2024
Can you clarify how you know that the tidyverse is loaded? This error very much sounds like the tidyverse has not been loaded so I want to make sure.
Michelle Brodesky
March 13, 2024
I can see tidyverse in the "packages" tab in the lower right panel of the interface, so I believe that means it's loaded? I can paste a screenshot on Discord if that would be helpful.
Michelle Brodesky
March 13, 2024
I can see tidyverse in the "packages" tab in the lower right panel of the interface, so I believe that means it's loaded? I can paste a screenshot on Discord if that would be helpful.
Libby Heeren Coach
March 13, 2024
Hey, Michelle! All installed packages will show up in the packages pane in RStudio, but only packages that have been loaded with the library() call will have a checkmark in the box next to them. I'll check in with you on Discord for extra help, but another way to check which packages have been loaded is to run loadedNamespaces(). The package you're looking for that contains read_csv() is the readr package.
Michelle Brodesky
March 13, 2024
Thank you! I ran library(tidyverse) and then everything worked as expected.
Derrick Watsala
March 17, 2024
I would like you to help me confirm that once an Object appears in the Environment Panel, it's automatically saved. In this case our object is the penguins_data.
Libby Heeren Coach
March 17, 2024
Hi! When you run
penguins_data <- read_csv("penguins_data.csv")it's saving the data object to your environment. This environment is temporary, so it's not saving a file to your computer, but rather saving an object for you to use during your R session. Thepenguins_dataobject will go away if you restart your R session, for instance.Douglas Ndowo
March 21, 2024
Just to be clear, we see a lot of the word “penguins” in the codes so far just because the dataset we are using actually contains data on penguins 🐧. The word itself has nothing to do with R.
David Keyes Founder
March 22, 2024
Yes, your understanding is correct! We're using data from the
palmerpenguinspackage, which is why you're hearing so much about penguins. If you're interested, here's the backstory of how this dataset came to be.