Lines Matching refs:sy
51 $self->{sy} = 0.0;
62 $self->{sy} += $_y;
73 return ($self->{n} * $self->{sxy} - $self->{sx} * $self->{sy})
81 return ($self->{sy} - B() * $self->{sx}) / $self->{n};
103 * ($self->{n} * $self->{sy2} - $self->{sy}**2);
107 return ($self->{n} * $self->{sxy} - $self->{sx} * $self->{sy}) / sqrt($s);
114 return ($self->{sxy} - $self->{sx} * $self->{sy} / $self->{n})
123 return sqrt(($self->{sy2} - ($self->{sy} * $self->{sy}) / $self->{n})
132 return $self->{sy} / $self->{n};
143 sy => undef,