Cloud Mask Variable Comparison

report produced with glance, version 0.2.6.24
comparison generated Fri Apr 22 21:13:42 2011 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/shanna_crtm/12_12/geocatL2.Meteosat-9.2008237.140000.hdf
md5sum for file A: cb840171cf5b0f12f9557df6c08c241f
last modified: Fri Apr 22 21:07:39 2011

file B:

path: /data/wstraka/shanna_crtm/6_9/geocatL2.Meteosat-9.2008237.140000.hdf
md5sum for file B: be6bedebbd424c51d4ebe60afbd76ba1
last modified: Fri Apr 22 21:07:50 2011

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: 0.1

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
units in A: none
units in B: none

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
epsilon_percent*: None
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*: 0.9915
diff_outside_epsilon_count*: 148675
diff_outside_epsilon_fraction*: 0.01446
max_diff*: 3
mean_diff*: 0.01893
median_diff*: 0
perfect_match_count*: 10132146
perfect_match_fraction*: 0.9855
r-squared correlation*: 0.983
rms_diff*: 0
std_diff*: 0.1682
trouble_points_count*: 148675
trouble_points_fraction*: 0.01079