void scatter_trailer(FILE *scatter);
void scatter_header(FILE *scatter, double a, double b, double lower_like, double upper_like);
void define_paircoil_likelihoodline(FILE *scatter, double a, double b, double lower_like, double upper_like);
void stock_percentages(FILE *scatter);
void stock_likelihood_setup(FILE *scatter);
void scatter_points(FILE *scatter, FILE *scores);