Cloud Mask Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Mon Aug 16 20:06:38 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/GEOCAT_PFAAST_CRTM/plod//geocatL2.Meteosat-9.2007278.113000.hdf
md5sum for file A: ecbccd2332047a2acf977f82aa5468b9
last modified: Fri Aug 13 22:03:31 2010

file B:

path: /data/wstraka/GEOCAT_PFAAST_CRTM/crtm//geocatL2.Meteosat-9.2007278.113000.hdf
md5sum for file B: 80a39a30cc82dae35c730b3163613b9b
last modified: Fri Aug 13 21:40:49 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_cmask_seviri_cloud_mask
epsilon value: 0.0
"missing" data value in A: -128
"missing" data value in B: -128

Statistical Summary

Finite Data Statistics
a_finite_count*: 10280821
a_finite_fraction*: 0.7461
b_finite_count*: 10280821
b_finite_fraction*: 0.7461
common_finite_count*: 10280821
common_finite_fraction*: 0.7461
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0

General Statistics
a_missing_value*: -128
b_missing_value*: -128
epsilon*: 0
max_a*: 3
max_b*: 3
min_a*: 0
min_b*: 0
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*: 0
a_missing_fraction*: 0
b_missing_count*: 0
b_missing_fraction*: 0
common_missing_count*: 0
common_missing_fraction*: 0

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*: 0.9792
diff_outside_epsilon_count*: 378730
diff_outside_epsilon_fraction*: 0.03684
max_diff*: 3
mean_diff*: 0.04698
median_diff*: 0
perfect_match_count*: 9902091
perfect_match_fraction*: 0.9632
rms_diff*: 0
std_diff*: 0.2621
trouble_points_count*: 378730
trouble_points_fraction*: 0.02749