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xbwei · Jul 3, 2024 · a44ac91 · a44ac91
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diff --git a/COVID_19_Data_Analysis.ipynb b/COVID_19_Data_Analysis.ipynb
@@ -1180,7 +1180,8 @@
     }
    ],
    "source": [
-    "df = df.rename(columns={\"popData2019\": \"pop\", \"Cumulative_number_for_14_days_of_COVID-19_cases_per_100000\": \"cum\",\"countriesAndTerritories\":\"country\" }) #rename columns\n",
+    "#rename columns\n",
+    "df = df.rename(columns={\"popData2019\": \"pop\", \"Cumulative_number_for_14_days_of_COVID-19_cases_per_100000\": \"cum\",\"countriesAndTerritories\":\"country\" }) \n",
     "df.head()"
    ]
   },
@@ -2016,7 +2017,7 @@
     }
    ],
    "source": [
-    "df['country'].value_counts() #show the count of unqiue values "
+    "df['country'].value_counts() #show the count of unique values "
    ]
   },
   {
@@ -2182,7 +2183,7 @@
     }
    ],
    "source": [
-    "USA_data.reset_index().plot.scatter(x='date',y='deaths',c='cum')"
+    "USA_data.reset_index().plot.scatter(x='date',y='deaths',c='cum') #use scatter plot to show the result"
    ]
   },
   {

diff --git a/README.md b/README.md
@@ -1,5 +1,3 @@
 # Social Data Analytics in the Cloud with AI
 
-The demo codes for the textbook *Social Data Analytics in the Cloud with AI*.
-
-test
+The demo codes for the textbook *Social Data Analytics in the Cloud with AI*.