Creation of K-tables from a data frame

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Description

creates K tables from a data frame.

Usage

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ktab.data.frame(df, blocks, rownames = NULL, colnames = NULL, 
    tabnames = NULL, w.row = rep(1, nrow(df)) / nrow(df), 
    w.col = rep(1, ncol(df)))

Arguments

df

a data frame

blocks

an integer vector for which the sum must be the number of variables of df. Its length is the number of arrays of the K-tables

rownames

the row names of the K-tables (otherwise the row names of df)

colnames

the column names of the K-tables (otherwise the column names of df)

tabnames

the names of the arrays of the K-tables (otherwise "Ana1", "Ana2", ...)

w.row

a vector of the row weightings

w.col

a vector of the column weightings

Value

returns a list of class ktab. See ktab.

Author(s)

Daniel Chessel
Anne B Dufour anne-beatrice.dufour@univ-lyon1.fr

Examples

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data(escopage)
wescopage <- data.frame(scalewt(escopage$tab))
wescopage <- ktab.data.frame(wescopage, escopage$blo,
        tabnames = escopage$tab.names)
plot(sepan(wescopage))
data(friday87)
w <- data.frame(scale(friday87$fau, scal = FALSE))
w <- ktab.data.frame(w, friday87$fau.blo, tabnames = friday87$tab.names)
kplot(sepan(w))

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