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R for Busy People (Cohort-0)
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Installing R and RStudio1 Lesson|2 Quizzes
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The RStudio IDE1 Lesson|2 Quizzes
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Coding Basics1 Lesson|2 Quizzes
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Assignment | Workshop 11 Quiz
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Data dive: Ebola in Sierra Leone1 Lesson|2 Quizzes
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RStudio Projects1 Lesson|2 Quizzes
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Workshop 21 Lesson|1 Quiz
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Using R Markdown1 Lesson|2 Quizzes
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Data classes & structures (deprec)2 Lessons
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Workshop 31 Lesson|1 Quiz
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Select & rename1 Lesson|3 Quizzes
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Filter1 Lesson|3 Quizzes
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Workshop 41 Quiz
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Mutate1 Lesson|3 Quizzes
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Workshop 51 Lesson|1 Quiz
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Conditional mutate1 Lesson|3 Quizzes
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Group by and summarize1 Lesson|2 Quizzes
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Workshop 61 Lesson|1 Quiz
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Other grouped operations1 Lesson|2 Quizzes
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Workshop 71 Lesson|1 Quiz
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Intro to ggplot21 Lesson|2 Quizzes
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Scatter plots and smoothing1 Lesson|2 Quizzes
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Workshop 81 Lesson|1 Quiz
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Lines, scales, and labels1 Lesson|2 Quizzes
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Overview of the EpiGraphHub web platform
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Data exploration on EpiGraphHub1 Quiz
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Workshop 91 Lesson|1 Quiz
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Workshop 101 Lesson|1 Quiz
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Final project1 Lesson|1 Quiz
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Getting help1 Lesson|1 Quiz
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Quiz contributions16 Lessons
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Quiz contributions: The RStudio IDE
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Quiz contributions: Coding basics
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Quiz contributions: Data dive | Ebola in Sierra Leone
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Quiz contributions: RStudio Projects
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Quiz contributions: R Markdown
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Quiz contributions: Data classes & structures
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Quiz contributions: Select & rename
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Quiz contributions: Filter
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Quiz contributions: Mutate
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Quiz contributions: Conditional mutate
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Quiz contributions: Group by and summarize
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Quiz contributions: Other grouped operations
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Quiz contributions: Pivoting data
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Quiz contributions: Intro to ggplot2
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Quiz contributions: Scatter plots and smoothing
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Quiz contributions: Lines, scales and labels
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Quiz contributions: The RStudio IDE
Participants 76
Topic 24 of 31
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Lines, scales, and labels
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Lesson code
Please download the zip folder below to code along with the instructor.
You need to unzip this folder to code along. Or “Extract All” on Windows. See our video explanation of this if you are unsure.
Lesson notes
The written guide below is an accompaniment to the lesson video. You may read through it if you prefer written tutorials to video content.
Topic Content
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I have the same issue
Hi I experienced the same issue. It helped me when I rewrote line 36 to
source(here(“autograder/ls03_line_graphs_autograder.R”))
I believe the filepath was missing “graphs” between “line_autograder”
Thank you for catching the typo, Christine! This is the correct solution.
.HINT couldn’t run despite the code being correct.
There was a typo in the code-along script on line 33, where the file path to the autograder is incorrect. Please please replace that line of code with the corrected version here:
Thank you and sorry for the trouble!
still having trouble loading the autograder…
Error in file(filename, “r”, encoding = encoding) :
cannot open the connection
There was a typo in the code-along script on line 33, where the file path to the autograder is incorrect. Please please replace that line of code with the corrected version here:
Thank you and sorry for the trouble!
I have the same issue, no autograder, no hint, and q1 is never right, does not generate the figure presented in the video. I used esquisse to get the right code s a start point
There was a typo in the code-along script on line 33, where the file path to the autograder is incorrect. Please please replace that line of code with the corrected version here:
Thank you and sorry for the trouble!