Optical Depth Visibility, Day Variable Comparison

report produced with glance, version 0.2.6.18
comparison generated Thu Sep 23 02:03:27 2010 by user evas on craackly.ssec.wisc.edu

file A:

path: /home/evas/GRAFIIRtemp/GlanceTesting/rrWithDiffPlatforms/diff-machines-truth/geocatL2.Meteosat-8.2005176.120000.hdf
md5sum for file A: 540a8002a7f6a3f470eb1a269278fa47
last modified: Fri Sep 17 14:13:43 2010

file B:

path: /home/evas/GRAFIIRtemp/GlanceTesting/rrWithDiffPlatforms/diff-machines-test/geocatL2.Meteosat-8.2005176.120000.hdf
md5sum for file B: 7fa7287497627d5acc0383a92e0de160
last modified: Fri Sep 17 13:51:03 2010

A configuration file was used to control the production report.
Please see this copy of the configuration file for details.

latitude: pixel_latitude
longitude: pixel_longitude
longitude/latitude comparison epsilon: 0.01

Original Data

Comparison Information

variable name: baseline_seviri_day_cloud_optical_depth_vis
epsilon value: None
epsilon percent: 0.15%
"missing" data value in A: -999.0
"missing" data value in B: -999.0

Statistical Summary

Finite Data Statistics
a_finite_count*: 4556918
a_finite_fraction*: 0.3307
b_finite_count*: 4556867
b_finite_fraction*: 0.3307
common_finite_count*: 4556425
common_finite_fraction*: 0.3307
finite_in_only_one_count*: 935
finite_in_only_one_fraction*: 6.786e-05

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: None
epsilon_percent*: 0.15
max_a*: 158.5
max_b*: 158.5
min_a*: 0.2512
min_b*: 0.2512
num_data_points*: 13778944
shape*: (3712, 3712)
spatially_invalid_pts_ignored_in_a*: 3498123
spatially_invalid_pts_ignored_in_b*: 3498123

Missing Value Statistics
a_missing_count*: 5723903
a_missing_fraction*: 0.4154
b_missing_count*: 5723954
b_missing_fraction*: 0.4154
common_missing_count*: 5723461
common_missing_fraction*: 0.4154

NaN Statistics
a_nan_count*: 0
a_nan_fraction*: 0
b_nan_count*: 0
b_nan_fraction*: 0
common_nan_count*: 0
common_nan_fraction*: 0

Numerical Comparison Statistics
correlation*: 1
diff_outside_epsilon_count*: 26922
diff_outside_epsilon_fraction*: 0.005909
max_diff*: 17.44
mean_diff*: 0.0005147
median_diff*: 4.768e-07
perfect_match_count*: 1373514
perfect_match_fraction*: 0.3014
r-squared correlation*: 1
rms_diff*: 0.0196
std_diff*: 0.01959
trouble_points_count*: 27857
trouble_points_fraction*: 0.002022