Description Usage Arguments Details Value Author(s)
panel.transform converts the a panel data frame to time-demeand data or to first differenced data.
1 2 | panel.transform(formula, data, model = "within", index = c("id", "year"),
keep.vars = c("id", "year"))
|
formula |
a formula, indicating the covariates. |
data |
a data frame |
model |
a model, "fd" or "within" |
index |
id and group structure, e.g. c("id","year") |
convert data frame into transformed data
data.frame
ElĂas Cisneros <ec@elias-cisneros.de>
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