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We began with the bigger picture to be an analyst but let us break it down into manageable chunks now. Some recommend you start with statistics but...
Process of loading and reading data into R from various resources. 5 types of data to import: Flat files - Flat files are text-based files where data...
R is an interpreted language. Uses of R Statistical computations Predictive analysis Data visualization by use of libraries e.g....
LEFT Pulls a specified number of characters for each row starting from the beginning i.e. the left side. product_idproduct_name 1Apple iPhone...
Drawbacks aggregate functions perform aggregations over the entire table and cause multiple rows to be grouped together A window function performs...
Define temporary result sets that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement. They work almost like subqueries. Although,...
