Cloud Top Height Variable Comparison

report produced with glance, version 0.2.6.23
comparison generated Thu Jan 13 19:21:12 2011 by user evas on craackly.ssec.wisc.edu

file A:

path: /data/for_graemem/eva/craackly/geocatL2.Meteosat-8.2005176.120000.hdf
md5sum for file A: 792289ba67a1b89a4fc97bfce93c6999
last modified: Wed Jan 12 17:31:05 2011

file B:

path: /data/for_graemem/eva/kanchi/geocatL2.Meteosat-8.2005176.120000.hdf
md5sum for file B: 0b69be5f671a92d023f1d328b8bbb57f
last modified: Wed Jan 12 17:29:32 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_height
epsilon value: None
epsilon percent: 0.15%
"missing" data value in A: -32768
"missing" data value in B: -32768
units in A: m
units in B: m

Statistical Summary

Finite Data Statistics
a_finite_count*: 6399695
a_finite_fraction*: 0.4645
b_finite_count*: 6401116
b_finite_fraction*: 0.4646
common_finite_count*: 6398499
common_finite_fraction*: 0.4644
finite_in_only_one_count*: 3813
finite_in_only_one_fraction*: 0.0002767

General Statistics
a_missing_value*: -32768
b_missing_value*: -32768
epsilon*: None
epsilon_percent*: 0.15
max_a*: 1.864e+04
max_b*: 1.864e+04
min_a*: -0.1495
min_b*: -0.1495
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*: 3881126
a_missing_fraction*: 0.2817
b_missing_count*: 3879705
b_missing_fraction*: 0.2816
common_missing_count*: 3878509
common_missing_fraction*: 0.2815

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*: 124250
diff_outside_epsilon_fraction*: 0.01942
max_diff*: 1.355e+04
mean_diff*: 0.6884
median_diff*: 0
perfect_match_count*: 5109780
perfect_match_fraction*: 0.7986
r-squared correlation*: 0.9998
rms_diff*: 60.41
std_diff*: 60.41
trouble_points_count*: 128063
trouble_points_fraction*: 0.009294