File & Connection Errors

File not found

Matches: no such file or directory

WHAT THIS ERROR MEANS

The file path you specified doesn't point to an existing file. The path might be wrong, or the file hasn't been created yet.

1. Verify the file exists with file.exists('path').

2. Check your working directory with getwd().

3. List files in the directory with list.files().

BAD — THIS CAUSES THE ERROR

source("analysis.R")  # file doesn't exist here

GOOD — CORRECT APPROACH

# Check first:
file.exists("analysis.R")
list.files()  # see what files are available

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