deaR (version 1.2.1)

Grifell_Lovell_1999: Data: Grifell-Tatj<U+00E9> and Lovell (1999).

Description

Data of 8 DMUs producing 1 output (Y) by using 1 input (X) for two periods of time.

Usage

data("Grifell_Lovell_1999")

Format

Data frame with 16 rows and 4 columns. Definition of inputs (X) and outputs (Y):

X

Input

Y

Output

See Also

read_malmquist, malmquist_index

Examples

# NOT RUN {
# Example. Replication of results in Grifell-Tatj<U+00C3><U+00A9> and Lovell (1999, p. 100).
data("Grifell_Lovell_1999")
data_example <- read_malmquist(Grifell_Lovell_1999,
                               percol=1,
                               dmus = 2,
                               inputs = 3,
                               outputs = 4,
                               arrangement="vertical")

result_fgnz <- malmquist_index(data_example,
                               orientation= "oo",
                               rts="vrs",
                               type1 = "cont",
                               type2 = "fgnz")

result_fgnz$mi
                                                             

# }