Sum all columns example

Author: ccozad

README.md

@@ -76,6 +76,7 @@ Here's what you can find here:
 ## [Data Science](/data_science/)
  - [Load CSV into a pandas dataframe](/data_science/load_csv.py) 
  - [Group data and then find statistics for each group](/data_science/stats_by_group.py)
+ - [Sum every column](/data_science/sum_columns.py) Load data and sum all columns
 
 ## Databases
  - [Neo4j](/databases/neo4j/)

data_science/README.md

@@ -6,5 +6,6 @@ Data science uses computer science and math to extract knowledge and information
 
  - [Load CSV into a pandas data frame](/data_science/load_csv.py) Load data from the outside world
  - [Group data and then find statistics for each group](/data_science/stats_by_group.py) Perform aggregate calculations on subsets of the data
+ - [Sum every column](/data_science/sum_columns.py) Load data and sum all columns
 
  **[Back to start](https://github.com/ccozad/python-playground)**

data_science/sum_columns.py

@@ -0,0 +1,11 @@
+import pandas as pd
+
+# Put your own CSV file name here
+df = pd.read_csv('tshirts.csv')
+
+numeric_columns = df.select_dtypes(include=[int, float])
+column_sums = numeric_columns.sum(axis=0)
+
+# Remove the integer cast if you want to deal with floats
+column_sums = column_sums.astype(int)
+print(column_sums)