; classfreq  -ci 50 -v -from 0 -o Escherichia_coli_dec6d_ensembl_72_GCA_000249655.2_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	2053	2053	5185	0.39595	0.39595	1.00000
50	100	75	723	2776	3132	0.13944	0.53539	0.60405
100	150	125	600	3376	2409	0.11572	0.65111	0.46461
150	200	175	450	3826	1809	0.08679	0.73790	0.34889
200	250	225	379	4205	1359	0.07310	0.81099	0.26210
250	300	275	248	4453	980	0.04783	0.85882	0.18901
300	350	325	156	4609	732	0.03009	0.88891	0.14118
350	400	375	137	4746	576	0.02642	0.91533	0.11109
400	450	425	439	5185	439	0.08467	1.00000	0.08467
; Statistics:
; -----------
; class interval     	50
; classes            	9
; count              	5185
; sum                	655847
; mean               	126.489
; median class       	[50..100[
; var                	1.68e+04
; std                	129.7
; min                	0
; max                	0
; range              	400
; Host name	jolitorax
; Job started	2013-09-30.184128
; Job done	2013-09-30.184128
; Seconds	1.17
;	user	1.17
;	system	0.07
;	cuser	0
;	csystem	0