Frequencies for max values from Netometer archives for all-2002
( Log-log )

Days: all
Start time: 18:15:15    Stop time: 9:0:0
Aggregated in groups of 1
Reached between 8 and 10 addresses (inclusive)

Number of data values: 21397
Minimum log data value: 3.4     Maximum log data value: 8.3
Mean log data value: 3.9

 

Middle of category	Frequency	Frequency %	Cummulative frequency %
3.50	28	0.1	0.1
3.60	3475	16.2	16.4
3.70	6212	29.0	45.4
3.80	4315	20.2	65.6
3.90	2560	12.0	77.5
4.00	1309	6.1	83.7
4.11	727	3.4	87.0
4.21	623	2.9	90.0
4.31	569	2.7	92.6
4.41	373	1.7	94.4
4.51	232	1.1	95.4
4.61	221	1.0	96.5
4.71	193	0.9	97.4
4.82	223	1.0	98.4
4.92	176	0.8	99.2
5.02	51	0.2	99.5
5.12	34	0.2	99.6
5.22	31	0.1	99.8
5.32	15	0.1	99.9
5.43	10	0.0	99.9
5.53	1	0.0	99.9
5.63	3	0.0	99.9
5.73	0	0.0	99.9
5.83	2	0.0	99.9
5.93	0	0.0	99.9
6.03	0	0.0	99.9
6.14	1	0.0	99.9
6.24	0	0.0	99.9
6.34	0	0.0	99.9
6.44	0	0.0	99.9
6.54	0	0.0	99.9
6.64	0	0.0	99.9
6.75	1	0.0	99.9
6.85	1	0.0	99.9
6.95	0	0.0	99.9
7.05	0	0.0	99.9
7.15	1	0.0	100.0
7.25	0	0.0	100.0
7.35	0	0.0	100.0
7.46	0	0.0	100.0
7.56	0	0.0	100.0
7.66	2	0.0	100.0
7.76	4	0.0	100.0
7.86	2	0.0	100.0
7.96	0	0.0	100.0
8.06	0	0.0	100.0
8.17	0	0.0	100.0
8.27	2	0.0	100.0

 

FYI: Regression on these (log-log) data points gives a line with slope of -1.79 and y-intercept of 13.29. The correlation coefficient is -0.843377029811532.

This program is a version of demo.cgi by Sanford Morton, heavily modified by Michael Grobe to include data input, categorization, and regression. The program uses Perl module Chart::Plot, written by Sanford Morton and downloaded from www.speakeasy.org, to draw plots.