qmethod (version 1.8.4)

export.pqmethod: Q methodology: export to PQMethod *.DAT and *.STA files

Description

Exports Q data to *.DAT and *.STA files readable in PQMethod software.

Usage

export.pqmethod(dataset, study.name, 
     study.description, col.range, 
     filename='Q_data_forPQmethod', 
     left.zeros, right.zeros, statements)

Arguments

dataset

a matrix or data frame qwith Q data: Q-sorts as columns and statements as rows. The names of the columns will be used as Q-sort IDs in the *.DAT file.

study.name

a string with a short name of the study. No space characters are allowed.

study.description

a string with a one-sentence description of the study).

col.range

a two-element numerical vector with the values at the two extremes of the Q distribution (e.g. c(-4, 4)).

filename

a filename. The extension *.DAT is added automatically).

left.zeros

number of zeros before the distribution, in the second line of *.DAT file.

right.zeros

number of zeros after the distribution, in the second line of *.DAT file).

statements

a matrix with statements, one in each row).

Author

Aiora Zabala

Details

Exports the raw data of a Q methodology study into the native format used in PQMethod. Returns a message with some basic information about the data.

Note that no checks are made on the data, such as whether there are duplicated or non-forced Q-sorts.

This function is not applicable to non-forced distributions.

References

Schmolck, Peter, 2014. PQMethod Software, Available at: http://schmolck.org/qmethod/

File descriptions in PQMethod Manual: http://schmolck.org/qmethod/pqmanual.htm#appdxa

Examples

# data(lipset)
# db <- lipset[[1]]
# export.pqmethod(dataset = db, 
#                study.name = 'mystudy', 
#                study.description = 'great study', 
#                col.range = c(-4, 4), 
#                filename = 'mystudy',
#                statements=lipset[[2]])