You just learned to do simple operations for every row of a dataset. Now you are ready to go beyond. Suppose you have a list of daily temperatures of a given country over a year. You may want to know the overall average temperature, the average temperature by region, or the coldest day of the year. When you work with data, these types of calculations are a common requirement. In this section you will learn to address those requirements with PDI.
Argentina
Australia
Austria
Belgium
Brazil
Bulgaria
Canada
Chile
Colombia
Cyprus
Czechia
Denmark
Ecuador
Egypt
Estonia
Finland
France
Germany
Great Britain
Greece
Hungary
India
Indonesia
Ireland
Italy
Japan
Latvia
Lithuania
Luxembourg
Malaysia
Malta
Mexico
Netherlands
New Zealand
Norway
Philippines
Poland
Portugal
Romania
Russia
Singapore
Slovakia
Slovenia
South Africa
South Korea
Spain
Sweden
Switzerland
Taiwan
Thailand
Turkey
Ukraine
United States