Cloud Optical Depth Visibility Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Sat May 22 12:15:41 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/PFAAST_CRTM/PFAAST//MSG8_SEVIRI_2006236_2300_00_AWG_CLOUD_MICRO_NIGHT.nc
md5sum for file A: 24b2b9e38d0a63bc2c330d15d377b417
last modified: Fri May 21 17:07:49 2010

file B:

path: /data/wstraka/PFAAST_CRTM/CRTM//MSG8_SEVIRI_2006236_2300_00_AWG_CLOUD_MICRO_NIGHT.nc
md5sum for file B: 26e5af23219c6380ac725f51325fcff0
last modified: Tue May 18 17:12:19 2010

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

latitude: Latitude
longitude: Longitude
longitude/latitude comparison epsilon: 0.01

Original Data

Comparison Information

variable name: Cld_Optical_Depth_Vis
epsilon value: 0.01
"missing" data value in A: -999.0
"missing" data value in B: -999.0

Statistical Summary

Finite Data Statistics

a_finite_count*: 4789052
a_finite_fraction*: 0.3476
b_finite_count*: 4623758
b_finite_fraction*: 0.3356
common_finite_count*: 4605625
common_finite_fraction*: 0.3343
finite_in_only_one_count*: 201560
finite_in_only_one_fraction*: 0.01463

General Statistics

a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.01
max_a*: 16
max_b*: 16
min_a*: 2.542e-05
min_b*: 3.855e-06
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*: 5491769
a_missing_fraction*: 0.3986
b_missing_count*: 5657063
b_missing_fraction*: 0.4106
common_missing_count*: 5473636
common_missing_fraction*: 0.3972

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*: 0.846
diff_outside_epsilon_count*: 3698636
diff_outside_epsilon_fraction*: 0.8031
max_diff*: 16
mean_diff*: 0.8754
median_diff*: 0.2027
perfect_match_count*: 268258
perfect_match_fraction*: 0.05825
rms_diff*: 2.354
std_diff*: 2.175
trouble_points_count*: 3900196
trouble_points_fraction*: 0.2831