When I run the following code I get an unexpected results. I was expecting a scatterplot of exam scores and anxiety score with points colored by gender. What is wrong with the code? df <- read_csv("data/exams.csv") p <- ggplot(data = df, aes(x = exam, y = anxiety, color = gender)) p
When I run the following code I get an unexpected results. I was expecting a scatterplot of exam scores and anxiety score with points colored by gender. What is wrong with the code? df <- read_csv("data/exams.csv") p <- ggplot(data = df, aes(x = exam, y = anxiety, color = gender)) p
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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When I run the following code I get an unexpected results. I was expecting a
df <- read_csv("data/exams.csv")
p <- ggplot(data = df, aes(x = exam, y = anxiety, color = gender))
p

Transcribed Image Text:### Understanding Common Errors in ggplot2
When working with ggplot2 in R, you might encounter several common errors. Below are some potential error messages you could see along with their explanations:
1. **ggplot does not yet know what type of layer to add to the plot**
- This error occurs because `ggplot` is waiting for a layer to be added before it can create the plot. You need to specify a geom (e.g., `geom_point()`, `geom_line()`) to inform ggplot2 what type of plot you want to create.
2. **The object p does not have a print method**
- This error means that the object `p` you are trying to print or display does not have a defined print method. Ensure that `p` is a ggplot object and not some other type of object.
3. **There is a missing )**
- This error indicates that there is a syntax mistake in your code, specifically an unmatched or misplaced parenthesis. Check your code to ensure that all parentheses are correctly paired.
4. **The dataset is too large and hence cannot be plotted to the screen**
- When dealing with a very large dataset, you might encounter issues rendering the plot. This error suggests that your dataset exceeds the capacity to be plotted on screen. Consider summarizing or sampling your dataset to reduce its size.
These explanations aim to help you understand and troubleshoot common issues you may face while using ggplot2 in your data visualization projects.
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