4 "cell_type": "markdown",
9 "Sample text for unit 10 goes here\n",
11 "Back to [section 5.1](section5.1.ipynb)."
16 "execution_count": null,
29 "codemirror_mode": "r",
30 "file_extension": ".r",
31 "mimetype": "text/x-r-source",
33 "pygments_lexer": "r",