Cloud Top Pressure Variable Comparison

report produced with glance, version 0.2.6.23
comparison generated Thu Jan 13 22:49:01 2011 by user evas on craackly.ssec.wisc.edu

file A:

path: /data/for_graemem/eva/craackly/geocatL2.Meteosat-8.2005176.000000.hdf
md5sum for file A: 2bcc595b4c06b2fecd9d26de7872b7e1
last modified: Wed Jan 12 17:27:53 2011

file B:

path: /data/for_graemem/eva/kanchi/geocatL2.Meteosat-8.2005176.000000.hdf
md5sum for file B: 52518ca963e371a0cba9c90c13dcf7b2
last modified: Wed Jan 12 17:28:25 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: 0.01

Original Data

Comparison Information

variable name: baseline_cld_hght_seviri_cloud_top_pressure
epsilon value: None
epsilon percent: 0.15%
"missing" data value in A: -32768
"missing" data value in B: -32768
units in A: hPa
units in B: hPa

Statistical Summary

Finite Data Statistics
a_finite_count*: 6241228
a_finite_fraction*: 0.453
b_finite_count*: 6243276
b_finite_fraction*: 0.4531
common_finite_count*: 6239678
common_finite_fraction*: 0.4528
finite_in_only_one_count*: 5148
finite_in_only_one_fraction*: 0.0003736

General Statistics
a_missing_value*: -32768
b_missing_value*: -32768
epsilon*: None
epsilon_percent*: 0.15
max_a*: 1031
max_b*: 1031
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*: 4039593
a_missing_fraction*: 0.2932
b_missing_count*: 4037545
b_missing_fraction*: 0.293
common_missing_count*: 4035995
common_missing_fraction*: 0.2929

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*: 0.9999
diff_outside_epsilon_count*: 9392
diff_outside_epsilon_fraction*: 0.001505
max_diff*: 843.6
mean_diff*: 0.05184
median_diff*: 0
perfect_match_count*: 4717766
perfect_match_fraction*: 0.7561
r-squared correlation*: 0.9999
rms_diff*: 3.952
std_diff*: 3.952
trouble_points_count*: 14540
trouble_points_fraction*: 0.001055