Table 2. The observed singlet gradients in the E.coli H set.

	Base	p0	s	RV
N1	A	0.240	2.61 × 10–3	2.246
	C	0.240	–4.70 × 10–4	–0.405
	G	0.380	–3.71 × 10–4	–0.487
	T	0.140	–2.67 × 10–3	–1.631
N2	A	0.318	–9.04 × 10–4	–0.914
	C	0.222	6.93 × 10–4	0.572
	G	0.173	9.54 × 10–4	0.675
	T	0.287	–1.12 × 10–4	–0.105
N3	A	0.153	–1.71 × 10–3	–1.109
	C	0.337	–2.78 × 10–3	–2.979
	G	0.269	5.15 × 10–3	4.692
	T	0.241	–7.65 × 10–4	–0.660

Columns show, in order: intercept at window 6, p₀; selection parameter, s; and relative significance, RV.