psem | R Documentation |

`psem`

is used to unite a list of structural equations into a single
structural equation model.

psem(...)

`...` |
A list of structural equations |

`psem`

takes a list of structural equations, which can be model objects
of classes: ```
lm, glm, gls, pgls, Sarlm, lme, glmmPQL, lmerMod,
lmerModLmerTest, glmerMod, glmmTMB, gam
```

.

It also takes objects of class `formula, formula.cerror`

, corresponding
to additional variables to be included in the tests of directed separation
(`X ~ 1`

) or correlated errors (`X1 %~~% X2`

).

The function optionally accepts data objects of classes: ```
matrix,
data.frame, SpatialPointsDataFrame, comparative.data
```

, or these are derived
internally from the structural equations.

Returns an object of class `psem`

Jon Lefcheck <LefcheckJ@si.edu>

`summary.psem`

, `%~~%`

mod <- psem( lm(rich ~ cover, data = keeley), lm(cover ~ firesev, data = keeley), lm(firesev ~ age, data = keeley), data = keeley ) summary(mod)

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