; classfreq  -ci 50 -v -from 0 -o Escherichia_coli_ec1849_ensembl_72_GCA_000303495.1_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	1546	1546	3671	0.42114	0.42114	1.00000
50	100	75	522	2068	2125	0.14220	0.56333	0.57886
100	150	125	387	2455	1603	0.10542	0.66876	0.43667
150	200	175	313	2768	1216	0.08526	0.75402	0.33124
200	250	225	217	2985	903	0.05911	0.81313	0.24598
250	300	275	166	3151	686	0.04522	0.85835	0.18687
300	350	325	119	3270	520	0.03242	0.89077	0.14165
350	400	375	108	3378	401	0.02942	0.92019	0.10923
400	450	425	293	3671	293	0.07981	1.00000	0.07981
; Statistics:
; -----------
; class interval     	50
; classes            	9
; count              	3671
; sum                	447990
; mean               	122.035
; median class       	[50..100[
; var                	1.69e+04
; std                	129.855
; min                	0
; max                	0
; range              	400
; Host name	jolitorax
; Job started	2013-09-30.224307
; Job done	2013-09-30.224308
; Seconds	1.07
;	user	1.07
;	system	0.09
;	cuser	0
;	csystem	0