We will use three datasets in this chapter, which are discussed in the following sections to give you an idea of their content.
This is a dataset included in the lavaan package. This is a classic dataset for use in SEM. It contains variables concerned with political freedom movements and economic development in 1960 and 1965, as follows:
x1: This variable is for per capita gross national product in 1960
x2: This variable is for per per capita energy consumption in 1960
x3: This variable is for proportion of the labor force in the industry in 1960
y1: This variable is for ratings of the freedom of the press in 1960
y2: This variable is for freedom of political opposition in 1960
y3: This variable is for fairness of elections in 1960
y4: This variable is for legislature effectiveness in 1960
y5: This variable is for freedom of political opposition in 1965
y6: This variable is for freedom of political opposition in 1965
y7: This variable is for fairness of elections in 1965...