msg land surface temperature Variable Comparison

report produced with glance, version 0.2.6.24
comparison generated Thu Oct 28 23:10:52 2010 by user graemem on craackly.ssec.wisc.edu

file A:

path: /data/graemem/sounding_crtm_20101028/test_data/l2_output/geocatL2.Meteosat-8.2006230.000000.pfaast_20101028.hdf
md5sum for file A: 0c6038b9b00fd9cf4b29d492b9a0f597
last modified: Thu Oct 28 22:21:38 2010

file B:

path: /data/graemem/sounding_crtm_20101028/test_data/l2_output/geocatL2.Meteosat-8.2006230.000000.crtm_20101028.hdf
md5sum for file B: 8cc790be5ea0a39696d422882f54648f
last modified: Thu Oct 28 22:20:45 2010

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

latitude: imager_prof_retr_msg_Lat_reduced
longitude: imager_prof_retr_msg_Lon_reduced
longitude/latitude comparison epsilon: 0.0001

Original Data

Comparison Information

variable name: imager_prof_retr_msg_Lst
epsilon value: 0.0
"missing" data value in A: -999.0
"missing" data value in B: -999.0
units in A: K
units in B: K

Statistical Summary

Finite Data Statistics
a_finite_count*: 556403
a_finite_fraction*: 0.363
b_finite_count*: 556237
b_finite_fraction*: 0.3629
common_finite_count*: 556237
common_finite_fraction*: 0.3629
finite_in_only_one_count*: 166
finite_in_only_one_fraction*: 0.0001083

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0
epsilon_percent*: None
max_a*: 314.1
max_b*: 311
min_a*: 178.1
min_b*: 185.2
num_data_points*: 1532644
shape*: (1238, 1238)
spatially_invalid_pts_ignored_in_a*: 390328
spatially_invalid_pts_ignored_in_b*: 390328

Missing Value Statistics
a_missing_count*: 585913
a_missing_fraction*: 0.3823
b_missing_count*: 586079
b_missing_fraction*: 0.3824
common_missing_count*: 585913
common_missing_fraction*: 0.3823

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*: 0.9974
diff_outside_epsilon_count*: 250548
diff_outside_epsilon_fraction*: 0.4504
max_diff*: 23.93
mean_diff*: 0.2041
median_diff*: 0
perfect_match_count*: 305689
perfect_match_fraction*: 0.5496
r-squared correlation*: 0.9949
rms_diff*: 0.511
std_diff*: 0.4678
trouble_points_count*: 250714
trouble_points_fraction*: 0.1636