inner2outer

Swaps the nesting of a table whose variables are tables.

Category: Language Fundamentals > Data Types

Syntax

T2 = inner2outer(T)

Description

Take a table with outer variables A and B, each a table with inner variables u and v. inner2outer returns a table with outer variables u and v, each containing the columns A and B. Rows are unchanged. It is useful to compare the same measurement across groups.

Input arguments

T

Table in which every variable is itself a table or timetable.

Output arguments

T2

Table with one variable per distinct inner variable name; each holds a table whose variables are the former outer ones.

Example

Swapping the nesting

inner = table([1; 2], [3; 4], 'VariableNames', {'u', 'v'});
other = table([5; 6], [7; 8], 'VariableNames', {'u', 'v'});
T = table(inner, other, 'VariableNames', {'A', 'B'});
T2 = inner2outer(T);
T2.u

ans = 2×2 table

    A    B
    _    _

    1    5
    2    6

See also

table splitvars mergevars innerjoin stack