For linear trends in the mean of at least DFA2 is needed.

There is no linear trend for memory loss according to the figures shown in the inline table.

The important message is that it is not a linear trend.

A linear trend means you have the same mass loss every year.

The test for linear trend was not significant.

A linear trend was seen for preference in relationship-oriented behavior, which progressively increased as age went up.

Figure 4illustrates the effects of removing this type of linear trend.

This line defines the linear trend in the data.

Note that in this case the linear trend has also been removed so that the mean value drops to 0.

Fumaroles and hot springs in area form a roughly linear trend.