make a better dataframe name in lecture 1

Author: afeld

lecture_1.ipynb

@@ -40,26 +40,8 @@
     }
    },
    "source": [
-    "{% if id == \"nyu\" -%}\n",
-    "- [Introductions thread](https://edstem.org/us/courses/68651/discussion/5579845)\n",
-    "{% endif -%}\n",
-    "- Questions?\n",
-    "- How was the homework? 👍/👎"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": "slide"
-    },
-    "tags": []
-   },
-   "source": [
-    "## Generative AI\n",
-    "\n",
-    "We have [a policy](https://python-public-policy.afeld.me/en/{{school_slug}}/syllabus.html#academic-integrity)."
+    "- How was the homework? 👍/👎\n",
+    "- Questions?"
    ]
   },
   {
@@ -331,7 +313,12 @@
    "cell_type": "code",
    "execution_count": 3,
    "metadata": {
-    "id": "iQgE8qFAMbiF"
+    "editable": true,
+    "id": "iQgE8qFAMbiF",
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
    },
    "outputs": [
     {
@@ -2455,25 +2442,32 @@
    "cell_type": "code",
    "execution_count": 13,
    "metadata": {
+    "editable": true,
     "id": "PII26jb0g8Eg",
-    "outputId": "8c839d5d-da47-4576-b1cb-86a147ec52e7"
+    "outputId": "8c839d5d-da47-4576-b1cb-86a147ec52e7",
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
    },
    "outputs": [],
    "source": [
     "valid_complaint_types = valid_complaint_counts[\"Complaint Type\"]\n",
     "is_valid_complaint = requests[\"Complaint Type\"].isin(valid_complaint_types)\n",
-    "df_cleaned = requests[is_valid_complaint]"
+    "requests_clean = requests[is_valid_complaint]"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
+    "editable": true,
     "slideshow": {
      "slide_type": "subslide"
-    }
+    },
+    "tags": []
    },
    "source": [
-    "How can we make sure this worked? Let's check how many records there were originally in `requests` vs how many are in `df_cleaned`.\n",
+    "How can we make sure this worked? Let's check how many records there were originally in `requests` vs how many are in `requests_clean`.\n",
     "\n",
     "Before:"
    ]
@@ -2534,7 +2528,7 @@
     }
    ],
    "source": [
-    "df_cleaned[\"Unique Key\"].size"
+    "requests_clean[\"Unique Key\"].size"
    ]
   },
   {
@@ -2715,7 +2709,7 @@
     }
    ],
    "source": [
-    "df_cleaned.groupby(\"Complaint Type\").size().reset_index(name=\"count\")"
+    "requests_clean.groupby(\"Complaint Type\").size().reset_index(name=\"count\")"
    ]
   },
   {
@@ -2940,7 +2934,7 @@
    ],
    "source": [
     "agency_counts = (\n",
-    "    df_cleaned.groupby([\"Agency\", \"Complaint Type\"]).size().reset_index(name=\"count\")\n",
+    "    requests_clean.groupby([\"Agency\", \"Complaint Type\"]).size().reset_index(name=\"count\")\n",
     ")\n",
     "agency_counts.head(20)"
    ]