msg total precipitable water Variable Comparison

report produced with glance, version 0.2.6.24
comparison generated Sat Dec 18 00:48:08 2010 by user graemem on craackly.ssec.wisc.edu

file A:

path: /data/graemem/sounding_verification_20101217/data/geocatL2.Meteosat-8.2006213.060000.hdf
md5sum for file A: d730c799cb8f4ddfaa72282a18c7c514
last modified: Fri Dec 17 22:10:50 2010

file B:

path: /data/graemem/sounding_verification_20101217/data/MSG8_SEVIRI_2006213_0600_00_AWG_SOUNDINGS.nc
md5sum for file B: 19467dc3b6598ca8761d7884457cc8fa
last modified: Fri Dec 17 19:21:58 2010

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

latitude in A: imager_prof_retr_msg_Lat_reduced
latitude in B: Latitude
longitude in A: imager_prof_retr_msg_Lon_reduced
longitude in B: Longitude
longitude/latitude comparison epsilon: 0.0001

Original Data

Comparison Information

variable name in A: imager_prof_retr_msg_TPW
variable name in B: TPW
epsilon value: None
"missing" data value in A: -999.0
"missing" data value in B: -999.0
units in A: cm
units in B: cm

Statistical Summary

Finite Data Statistics
a_finite_count*: 540586
a_finite_fraction*: 0.3527
b_finite_count*: 542019
b_finite_fraction*: 0.3536
common_finite_count*: 532628
common_finite_fraction*: 0.3475
finite_in_only_one_count*: 17349
finite_in_only_one_fraction*: 0.01132

General Statistics
a_missing_value*: -999
b_missing_value*: -999
epsilon*: None
epsilon_percent*: None
max_a*: 6.353
max_b*: 6.323
min_a*: 0.1729
min_b*: 0.1723
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*: 601730
a_missing_fraction*: 0.3926
b_missing_count*: 600297
b_missing_fraction*: 0.3917
common_missing_count*: 592339
common_missing_fraction*: 0.3865

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*: 0.9993
diff_outside_epsilon_count*: 0
diff_outside_epsilon_fraction*: 0
max_diff*: 1.068
mean_diff*: 0.02474
median_diff*: 0.01563
perfect_match_count*: 5
perfect_match_fraction*: 9.387e-06
r-squared correlation*: 0.9986
rms_diff*: 0.04163
std_diff*: 0.0335
trouble_points_count*: 17349
trouble_points_fraction*: 0.01132