Seasonal affective disorder treatment: Choosing a light therapy box Light therapy boxes can offer an effective treatment for seasonal affective disorder. Features such as light intensity, safety, cost and style are important considerations.
Psychographics is the study of personality, values, opinions, attitudes, interests, and lifestyles. Because this area of research focuses on interests, attitudes, and opinions, psychographic factors are also called IAO variables.hen a relatively complete profile of a person or group's psychographic make-up is constructed, this is called a psychographic profile. Psychographic profiles are used in market segmentation as well as in advertising.
This means that the Markov chain may be modeled as a n*n matrix, where n is the number of possible states. An example of a process which may be modeled by a Markov chain is the sequence of faces of a die showing up, if you are allowed to rotate the die wrt an edge. The corresponding matrix is. As usual, Wikipedia and MathWorld are your friends. share | cite | improve this answer.