test performance of table datastructure

[cgroll]

using matlab tables, many functionalities will have to split off the core numeric data first, since only return data should be modified. Afterwards, all individual components need to be put together again. How much time is lost through this operation?

Treat dates as rownames?

advantages of tables:

• join operator (join different datasets at joint dates: returns, interest rates, fama & french factors)
• row names / accessing stocks through names

[cgroll]

table description:

Parentheses allow you to select a subset of the data in a table and preserve the table container. Curly braces and dot indexing allow you to extract data from a table. T.Properties.RowNames = LastName; Add metadata (units: percentage returns) Add Variables by Concatenating Tables Change a Variable Name:

T.Properties.VariableNames{'Gender'} = 'Sex';