Changed Dataframe column selection to df["column_name"]. Was inconsistent before. + corrected Mickey Mouse and Minnie Mouses names and column placement.

Author: krasoa

03-2020-11-20/notebooks/03-03-The_pandas_library.ipynb

@@ -851,7 +851,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "df.no_of_songs > 50"
+    "df[\"no_of_songs\"] > 50"
    ]
   },
   {
@@ -860,7 +860,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "df.loc[df.no_of_songs > 50]"
+    "df.loc[df[\"no_of_songs\"] > 50]"
    ]
   },
   {
@@ -869,7 +869,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "df.loc[(df.no_of_songs > 50) & (df.year_born >= 1942)]"
+    "df.loc[(df[\"no_of_songs\"] > 50) & (df[\"year_born\"] >= 1942)]"
    ]
   },
   {
@@ -878,7 +878,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "df.loc[(df.no_of_songs > 50) & (df.year_born >= 1942), [\"Last Name\", \"Name\"]]"
+    "df.loc[(df[\"no_of_songs\"] > 50) & (df[\"year_born\"] >= 1942), [\"Last Name\", \"Name\"]]"
    ]
   },
   {
@@ -904,7 +904,7 @@
    "outputs": [],
    "source": [
     "from numpy import nan\n",
-    "df.loc[5] = [\"Mouse\", \"Mickey\", nan, 1928, nan]\n",
+    "df.loc[5] = [\"Mickey\", \"Mouse\", nan, 1928, nan]\n",
     "df"
    ]
   },
@@ -973,7 +973,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "df.loc[5, \"Name\"] = \"Mini\" "
+    "df.loc[5, \"Name\"] = \"Minnie\" "
    ]
   },
   {
@@ -1098,7 +1098,7 @@
     "df[\"age\"].plot.bar(ax=ax)\n",
     "\n",
     "# add some customization to the Axes object\n",
-    "ax.set_xticklabels(df.Name, rotation=0)\n",
+    "ax.set_xticklabels(df[\"Name\"], rotation=0)\n",
     "ax.set_xlabel(\"\")\n",
     "ax.set_ylabel(\"Age\", size=14)\n",
     "ax.set_title(\"The Beatles and ... something else\", size=18);"