Fix small issues

src/epp_topics/git/collaboration/objectives_materials.ipynb

@@ -177,57 +177,6 @@
     "            },\n",
     "        ],\n",
     "    },\n",
-    "]\n",
-    "\n",
-    "display_quiz(content)"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## Cards"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "tags": [
-     "remove-input"
-    ]
-   },
-   "outputs": [],
-   "source": [
-    "content = [\n",
-    "    {\n",
-    "        \"name\": \"Intro\",\n",
-    "        \"front\": \"What are the typical steps for \\\n",
-    "        creating a new feature branch?\",\n",
-    "        \"back\": \"Let's go through them step by step \\\n",
-    "        (click on next in the bottom right).\",\n",
-    "    },\n",
-    "    {\n",
-    "        \"name\": \"git checkout main\",\n",
-    "        \"front\": \"git checkout main\",\n",
-    "        \"back\": \"This command switches to the main branch. \\\n",
-    "        We need to switch to the main branch and update it \\\n",
-    "        before creating a new branch, to make sure that \\\n",
-    "        we start working from the latest version \\\n",
-    "        of the code.\",\n",
-    "    },\n",
-    "    {\n",
-    "        \"name\": \"git pull\",\n",
-    "        \"front\": \"git pull\",\n",
-    "        \"back\": \"This command pulls the latest changes \\\n",
-    "        from the remote repository.\",\n",
-    "    },\n",
-    "    {\n",
-    "        \"name\": \"git checkout -b feature_branch\",\n",
-    "        \"front\": \"git checkout -b feature_branch\",\n",
-    "        \"back\": \"This command creates a new branch called \\\n",
-    "        feature_branch and switches to it.\",\n",
-    "    },\n",
     "    {\n",
     "        \"question\": \"`git push` ...\",\n",
     "        \"type\": \"multiple_choice\",\n",
@@ -306,18 +255,61 @@
     "    },\n",
     "]\n",
     "\n",
-    "\n",
-    "from jupytercards import display_flashcards\n",
-    "\n",
-    "display_flashcards(content)"
+    "display_quiz(content)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Cards"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "tags": [
+     "remove-input"
+    ]
+   },
    "outputs": [],
-   "source": []
+   "source": [
+    "content = [\n",
+    "    {\n",
+    "        \"name\": \"Intro\",\n",
+    "        \"front\": \"What are the typical steps for \\\n",
+    "        creating a new feature branch?\",\n",
+    "        \"back\": \"Let's go through them step by step \\\n",
+    "        (click on next in the bottom right).\",\n",
+    "    },\n",
+    "    {\n",
+    "        \"name\": \"git checkout main\",\n",
+    "        \"front\": \"git checkout main\",\n",
+    "        \"back\": \"This command switches to the main branch. \\\n",
+    "        We need to switch to the main branch and update it \\\n",
+    "        before creating a new branch, to make sure that \\\n",
+    "        we start working from the latest version \\\n",
+    "        of the code.\",\n",
+    "    },\n",
+    "    {\n",
+    "        \"name\": \"git pull\",\n",
+    "        \"front\": \"git pull\",\n",
+    "        \"back\": \"This command pulls the latest changes \\\n",
+    "        from the remote repository.\",\n",
+    "    },\n",
+    "    {\n",
+    "        \"name\": \"git checkout -b feature_branch\",\n",
+    "        \"front\": \"git checkout -b feature_branch\",\n",
+    "        \"back\": \"This command creates a new branch called \\\n",
+    "        feature_branch and switches to it.\",\n",
+    "    },\n",
+    "]\n",
+    "\n",
+    "from jupytercards import display_flashcards\n",
+    "\n",
+    "display_flashcards(content)"
+   ]
   }
  ],
  "metadata": {

src/epp_topics/git/introduction/objectives_materials.ipynb

@@ -29,8 +29,8 @@
     "\n",
     "Download the [slides](git-introduction.pdf).\n",
     "\n",
-    "[Paper](https://www.zbw.eu/econis-archiv/bitstream/11159/268088/1/EBP07471872X_0.pdf)\n",
-    "documenting trends in number of authors per econ paper\n",
+    "[Paper](https://www.aeaweb.org/articles?id=10.1257/jep.10.3.153)\n",
+    "documenting trends in number of authors per econ paper.\n",
     "    \n",
     "\n",
     "## Quiz\n",

src/epp_topics/pandas/creating_variables/objectives_materials.ipynb

@@ -31,13 +31,7 @@
     "\n",
     "Download the [slides](pandas-creating_variables.pdf).\n",
     "\n",
-    "\n",
-    "\n",
-    "## Further Reading\n",
-    "\n",
-    "\n",
-    "\n",
-    "## Quiz"
+    "## Quiz\n"
    ]
   },
   {

src/epp_topics/pandas/inspecting_and_summarizing/screencast/public/.gitignore

@@ -0,0 +1,2 @@
+lineplot.svg
+scatterplot.svg

src/epp_topics/pandas/inspecting_and_summarizing/screencast/slides.md

@@ -332,13 +332,15 @@ year
 >>> pd.options.plotting.backend = "plotly"
 >>> df.groupby("year")["life_exp"].mean().plot()
 ```
-<img src="/lineplot.png" class="rounded" width="400"/>
+<img src="/lineplot.svg" class="rounded" width="400"/>
 
 </div>
 <div>
 
 - Any Series has a `.plot` method
+
 - Any Series has a `.hist` method
+
 - Summary statistics based on groupby return Series which can again be plotted
 
 </div>
@@ -356,13 +358,15 @@ year
 >>> df.plot.scatter(x="year", y="life_exp",
                     color="country")
 ```
-<img src="/scatterplot.png" class="rounded" width="400"/>
+<img src="/scatterplot.svg" class="rounded" width="400"/>
 
 </div>
 <div>
 
 - Any DataFrame has a `.plot` method
+
 - Defaults to line plot, can access `.scatter` and many more
+
 - Notebook gives you interactive plots
 
 </div>

src/epp_topics/pandas/inspecting_and_summarizing/screencast/task_create_plot.py

@@ -1,30 +1,32 @@
+from pathlib import Path
+
 import pandas as pd
 import plotly.express as px
-
-from epp_topics.config import SITE_SOURCE_DIR
+import pytask
 
 pd.options.plotting.backend = "plotly"
 
 
-LINEPLOT = SITE_SOURCE_DIR / "pandas" / "inspecting_and_summarizing" / "lineplot.png"
-
-SCATTERPLOT = (
-    SITE_SOURCE_DIR / "pandas" / "inspecting_and_summarizing" / "scatterplot.png"
-)
-
-
-def task_create_lineplot(produces=LINEPLOT):
+@pytask.mark.try_first
+def task_create_lineplot(produces=Path() / "public" / "lineplot.svg"):
     df = px.data.gapminder()
     df = df.rename(
         columns={
             "lifeExp": "life_exp",
         },
     )
-    fig = df.groupby("year")["life_exp"].mean().plot(template="plotly_dark")
+    fig = (
+        df.groupby("year")["life_exp"]
+        .mean()
+        .plot(
+            template="presentation"  # "+plotly_dark"
+        )
+    )
     fig.write_image(produces)
 
 
-def task_create_scatterplot(produces=SCATTERPLOT):
+@pytask.mark.try_first
+def task_create_scatterplot(produces=Path() / "public" / "scatterplot.svg"):
     df = px.data.gapminder()
     df = df.rename(
         columns={
@@ -35,6 +37,6 @@ def task_create_scatterplot(produces=SCATTERPLOT):
         x="year",
         y="life_exp",
         color="country",
-        template="plotly_dark",
+        template="presentation",  # "+plotly_dark"
     )
     fig.write_image(produces)

src/epp_topics/plotting/what_to_plot/objectives_materials.ipynb

@@ -32,18 +32,18 @@
     "\n",
     "Some additional resources:\n",
     "\n",
+    "- [Better Data\n",
+    "  Visualizations](https://policyviz.com/pv_books/better-data-visualizations-a-guide-for-scholars-researchers-and-wonks/)\n",
+    "  (Jonathan Schwabish): Very extensive, with direct focus on science/economics. Some\n",
+    "  material in the screencast based on that.\n",
     "- Chapter 7 of [Calling Bullshit](https://www.callingbullshit.org/) (Carl Bergstrom &\n",
     "  Jevin West). Light read, important insights in particular how popular visualisations\n",
     "  often try to mislead in more or less subtle ways. Also has some general insights into\n",
     "  how to think about graphics. Some of the examples are [available\n",
     "  online](https://www.callingbullshit.org/tools.html)\n",
-    "- [How Charts Lie](http://www.thefunctionalart.com/p/reviews.html) (Alberto Cairo).\n",
+    "- [How Charts Lie](https://www.amazon.com/gp/product/0393358429) (Alberto Cairo).\n",
     "  Similar to Chapter 7 of Calling Bullshit, but the entire book is devoted to\n",
     "  visualisations.\n",
-    "- [Better Data\n",
-    "  Visualizations](https://policyviz.com/pv_books/better-data-visualizations-a-guide-for-scholars-researchers-and-wonks/)\n",
-    "  (Jonathan Schwabish): Very extensive, with direct focus on science/economics. Some\n",
-    "  material in the screencast based on that.\n",
     "- [The Functional Art](http://www.thefunctionalart.com/p/about-book.html) (Alberto\n",
     "  Cairo) and [Show Me the Numbers](http://www.perceptualedge.com/library.php) (Stephen\n",
     "  Few). Authoritative References if you want to become a data viz pro. Alberto Cairo has\n",

src/epp_topics/scientific_computing/randomness/objectives_materials.ipynb

@@ -28,14 +28,10 @@
     "\n",
     "Download the [slides](scientific_computing-randomness.pdf).\n",
     "\n",
+    "- This [Blogpost](https://albertcthomas.github.io/good-practices-random-number-generators/) explains some of the reasons behind our best practices.\n",
+    "- If you find the \"legacy\" version of the NumPy random number generator somewhere (i.e., calling `np.random.seed`. E.g., LLMs are trained on lots of data using that...), a clear exposition of why you want to use the suggested version can be found [here](https://builtin.com/data-science/numpy-random-seed).\n",
     "\n",
-    "\n",
-    "\n",
-    "\n",
-    "- This [Blogpost](https://albertcthomas.github.io/good-practices-random-number-generators/) explains some of the reasons behind our best practices. \n",
-    "\n",
-    "\n",
-    "## Quiz"
+    "## Quiz\n"
    ]
   },
   {
@@ -51,7 +47,7 @@
     "from epp_topics.quiz_utilities import display_quiz\n",
     "\n",
     "content = {\n",
-    "    \"To set a good seed which of the following lines of code would zou use?\": {\n",
+    "    \"To set a good seed which of the following lines of code would you use?\": {\n",
     "        \"np.random.seed\": False,\n",
     "        \"np.random.default_rng\": False,\n",
     "        \"np.random.default_rng(6943)\": True,\n",
@@ -60,7 +56,7 @@
     "        \"A seed is nice to have, but not essential\": False,\n",
     "        \"For the purpose of reproducible research\": True,\n",
     "        \"To help obtain nicer results\": False,\n",
-    "        \"To make sure that two random extraction will \\\n",
+    "        \"To make sure that two random extractions will \\\n",
     "            not yield the same outcome\": False,\n",
     "    },\n",
     "    \"Which of the following applies to seeds?\": {\n",