Fog Depth Variable Comparison

report produced with glance, version 0.2.6.24
comparison generated Thu Oct 21 18:57:58 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/OTTC_FOG_TEST/geocat/geocatL2.Meteosat-8.2006333.124500.hdf
md5sum for file A: f25163bff743e610e401c8416f0a9df5
last modified: Thu Oct 14 20:57:26 2010

file B:

path: /data/wstraka/OTTC_FOG_TEST/AIT/MSG8_245.geocat.nc_2006333_1245_00_AWG_FOG_DETECTION_OBJECT.nc
md5sum for file B: cb85b83ada7453db1a92923d6fca1255
last modified: Mon Oct 11 17:07:26 2010

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

Note: The data for this variable from file A was filtered.
Note: The data for this variable from file B was filtered.
Please see the original configuration file to view any data filtering functions.

latitude in A: pixel_latitude
latitude in B: Latitude
longitude in A: pixel_longitude
longitude in B: Longitude
longitude/latitude comparison epsilon: 0.1

Original Data

Comparison Information

variable name in A: goesr_fog_fog_depth
variable name in B: Fog_Depth
epsilon value: 0.1
"missing" data value in A: -999.0
"missing" data value in B: -999.0
units in A: none
units in B: 1

Statistical Summary

Finite Data Statistics
a_finite_count*: 1671244
a_finite_fraction*: 0.1213
b_finite_count*: 1728593
b_finite_fraction*: 0.1255
common_finite_count*: 1548223
common_finite_fraction*: 0.1124
finite_in_only_one_count*: 303391
finite_in_only_one_fraction*: 0.02202

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.1
epsilon_percent*: None
max_a*: 1500
max_b*: 1500
min_a*: 14.35
min_b*: 12.25
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*: 8609577
a_missing_fraction*: 0.6248
b_missing_count*: 8552228
b_missing_fraction*: 0.6207
common_missing_count*: 8429207
common_missing_fraction*: 0.6117

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*: 0.9851
diff_outside_epsilon_count*: 684622
diff_outside_epsilon_fraction*: 0.4422
max_diff*: 1349
mean_diff*: 11.28
median_diff*: 0.0686
perfect_match_count*: 940
perfect_match_fraction*: 0.0006071
r-squared correlation*: 0.9704
rms_diff*: 53.19
std_diff*: 51.31
trouble_points_count*: 988013
trouble_points_fraction*: 0.0717