; classfreq  -ci 50 -v -from 0 -o Escherichia_coli_ec1856_ensembl_72_GCA_000303455.1_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	1212	1212	2810	0.43132	0.43132	1.00000
50	100	75	406	1618	1598	0.14448	0.57580	0.56868
100	150	125	312	1930	1192	0.11103	0.68683	0.42420
150	200	175	238	2168	880	0.08470	0.77153	0.31317
200	250	225	159	2327	642	0.05658	0.82811	0.22847
250	300	275	130	2457	483	0.04626	0.87438	0.17189
300	350	325	86	2543	353	0.03060	0.90498	0.12562
350	400	375	53	2596	267	0.01886	0.92384	0.09502
400	450	425	214	2810	214	0.07616	1.00000	0.07616
; Statistics:
; -----------
; class interval     	50
; classes            	9
; count              	2810
; sum                	325864
; mean               	115.966
; median class       	[50..100[
; var                	1.6e+04
; std                	126.403
; min                	0
; max                	0
; range              	400
; Host name	jolitorax
; Job started	2013-09-30.225531
; Job done	2013-09-30.225532
; Seconds	1.06
;	user	1.06
;	system	0.08
;	cuser	0
;	csystem	0