; classfreq  -ci 50 -v -from 0 -o Escherichia_coli_ec4422_ensembl_72_GCA_000267365.1_upstream-noorf_segments_lengths.tab
;	min                 	minimum of class interval (inclusive)
;	max                 	maximum of class interval (exclusive)
;	center              	center of class interval
;	n                   	occurrences
;	n_cum               	cumulative occurrences (inclusive)
;	n_dcum              	decreasing cumulative occurrences (inclusive)
;	f                   	frequencies
;	f_cum               	cumulative frequencies (inclusive)
;	f_dcum              	decreasing cumulative frequencies (inclusive)
#[min	max[	center	n	n_cum	n_dcum	f	f_cum	f_dcum
0	50	25	1296	1296	3176	0.40806	0.40806	1.00000
50	100	75	441	1737	1880	0.13885	0.54691	0.59194
100	150	125	335	2072	1439	0.10548	0.65239	0.45309
150	200	175	283	2355	1104	0.08911	0.74150	0.34761
200	250	225	215	2570	821	0.06770	0.80919	0.25850
250	300	275	161	2731	606	0.05069	0.85989	0.19081
300	350	325	110	2841	445	0.03463	0.89452	0.14011
350	400	375	81	2922	335	0.02550	0.92003	0.10548
400	450	425	254	3176	254	0.07997	1.00000	0.07997
; Statistics:
; -----------
; class interval     	50
; classes            	9
; count              	3176
; sum                	395930
; mean               	124.663
; median class       	[50..100[
; var                	1.67e+04
; std                	129.386
; min                	0
; max                	0
; range              	400
; Host name	jolitorax
; Job started	2013-10-01.004350
; Job done	2013-10-01.004351
; Seconds	1.12
;	user	1.12
;	system	0.05
;	cuser	0
;	csystem	0