Add missing order_by statement in 04-More-Value-Expressions when filtering for top 3 most frequent continents

Author: binste

tutorial/04-More-Value-Expressions.ipynb

@@ -1,6 +1,7 @@
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@@ -9,6 +10,7 @@
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@@ -40,6 +42,7 @@
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@@ -141,6 +146,7 @@
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@@ -166,6 +172,7 @@
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@@ -184,6 +191,7 @@
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@@ -207,6 +215,7 @@
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@@ -219,14 +228,20 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "top_continents = countries.continent.value_counts().limit(3).continent\n",
+    "top_continents = (\n",
+    "    countries.continent.value_counts()\n",
+    "    .order_by(ibis.desc(\"continent_count\"))\n",
+    "    .limit(3)\n",
+    "    .continent\n",
+    ")\n",
     "top_continents_filter = countries.continent.isin(top_continents)\n",
     "expr = countries[top_continents_filter]\n",
     "\n",
     "expr.count()"
    ]
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@@ -243,13 +258,15 @@
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    "source": [
     "Cool, huh? More on `topk` later."
    ]
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@@ -277,6 +294,7 @@
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@@ -294,6 +312,7 @@
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@@ -313,6 +332,7 @@
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@@ -330,6 +350,7 @@
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@@ -349,6 +370,7 @@
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@@ -366,6 +388,7 @@
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@@ -404,6 +427,7 @@
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@@ -432,6 +456,7 @@
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@@ -458,6 +483,7 @@
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@@ -483,6 +509,7 @@
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