Cloud Top Pressure Variable Comparison

report produced with glance, version 0.2.6.23
comparison generated Thu Jan 13 21:39:15 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_pressure
epsilon value: 0.01
"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*: 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*: 0.01
epsilon_percent*: None
max_a*: 1033
max_b*: 1033
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*: 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*: 1
diff_outside_epsilon_count*: 1636590
diff_outside_epsilon_fraction*: 0.2558
max_diff*: 835.4
mean_diff*: 0.04363
median_diff*: 0
perfect_match_count*: 4761909
perfect_match_fraction*: 0.7442
r-squared correlation*: 0.9999
rms_diff*: 3.624
std_diff*: 3.623
trouble_points_count*: 1640403
trouble_points_fraction*: 0.1191