. 2021 Feb 17;14(2):253–269. doi: 10.1007/s12304-021-09403-5

Table 2.

Fitting parameters for the distributions of four-nucleotide chunks

Virus	Entropy	Size	Negative hypergeometric distribution	Pólya distribution
	S₄	(chunks)	K	M	n	C	s	p	n	C
A/H1N1	5.3515	3345	2.4536	0.7918	258	0.0057	0.4156	0.3209	259	0.0060
Ball python nidov.	5.3385	8363	2.1873	0.7087	256	0.0043	0.4711	0.3227	256	0.0050
Dengue	5.3219	2681	2.3958	0.7561	256	0.0051	0.4270	0.3144	256	0.0055
Ebola	5.4002	4741	2.3911	0.8336	256	0.0008	0.4154	0.3462	256	0.0010
Feline-CoV	5.3357	7339	2.7359	0.8759	257	0.0011	0.3647	0.3186	257	0.0011
HCoV-229E	5.2899	6830	2.6172	0.7907	256	0.0014	0.3772	0.3007	257	0.0013
HCoV-HKU1	5.1491	7482	2.7836	0.7153	260	0.0057	0.3707	0.2506	261	0.0070
HCoV-NL63	5.1738	6889	2.7545	0.7344	256	0.0035	0.3754	0.2644	255	0.0042
HCoV-OC43	5.2854	7686	2.6510	0.7918	258	0.0027	0.3879	0.2975	257	0.0031
Hepatitis A	5.1923	1870	2.7578	0.8180	239	0.0079	0.3546	0.2877	243	0.0075
Hepatitis C	5.3871	2412	2.4158	0.8378	254	0.0029	0.4173	0.3454	254	0.0030
Hepatitis D	4.9309	421	2.1249	0.6739	178	0.0333	0.4566	0.3217	178	0.0342
Hepatitis E	5.3405	1794	2.3837	0.7811	254	0.0070	0.4297	0.3251	254	0.0077
HIV-1	5.2425	2296	2.5090	0.7853	239	0.0060	0.4090	0.3099	239	0.0066
HIV-2	5.3114	2590	2.5607	0.8015	256	0.0030	0.3892	0.3112	256	0.0029
HRV-A	5.2618	1785	2.7530	0.8492	248	0.0081	0.3418	0.2981	254	0.0077
HRV-B	5.2793	1802	2.6419	0.8706	238	0.0043	0.3774	0.3262	239	0.0042
HRV-C	5.3165	1736	2.5766	0.8688	243	0.0033	0.3890	0.3353	243	0.0033
Marburg	5.3418	4779	2.5061	0.8225	252	0.0020	0.4025	0.3267	253	0.0021
Measles	5.4293	3974	2.3932	0.8767	256	0.0022	0.4186	0.3655	256	0.0022
MERS	5.4040	7530	2.4687	0.8665	256	0.0011	0.4020	0.3498	257	0.0013
Norovirus	5.4015	1900	2.3835	0.8461	253	0.0046	0.4244	0.3536	254	0.0045
Phage-MS2	5.3680	893	2.3100	0.8084	249	0.0107	0.4436	0.3496	249	0.0114
Planidovirus	5.0360	10295	3.0466	0.7017	261	0.0183	0.2449	0.1863	315	0.0161
Polio	5.3837	1860	2.4300	0.8423	254	0.0044	0.4172	0.3452	254	0.0047
Rabies	5.3802	2982	2.4359	0.8425	252	0.0027	0.4148	0.3443	253	0.0028
SARS	5.3825	7438	2.6599	0.9058	256	0.0020	0.3716	0.3395	257	0.0019
SARS-CoV-2	5.3330	7476	2.8260	0.9014	258	0.0022	0.3546	0.3168	258	0.0021
Yellow fever	5.3430	2716	2.6168	0.8421	258	0.0050	0.3962	0.3206	257	0.0059
Zika	5.3377	2699	2.2919	0.7300	257	0.0081	0.4142	0.3181	258	0.0053

Note: Entropies S₄ are calculated for the distributions of four-nucleotide chunks using (6)