Ash Mass Loading Variable Comparison

report produced with glance, version 0.2.6.17
comparison generated Wed May 19 20:48:34 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/PFAAST_CRTM/PFAAST//MSG8_SEVIRI_2006236_1200_00_AWG_VOLCANIC_ASH.nc
md5sum for file A: 14b20703f2950a999e145269326b4ca5
last modified: Tue May 18 16:53:24 2010

file B:

path: /data/wstraka/PFAAST_CRTM/CRTM//MSG8_SEVIRI_2006236_1200_00_AWG_VOLCANIC_ASH.nc
md5sum for file B: 3e6c8ced327e262bb6f69ef59e433e38
last modified: Tue May 18 16:52:54 2010

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

latitude: Latitude
longitude: Longitude
longitude/latitude comparison epsilon: 0.01

Original Data

Comparison Information

variable name: Ash_Loading
epsilon value: 0.01
"missing" data value in A: -999.0
"missing" data value in B: -999.0

Statistical Summary

Finite Data Statistics

a_finite_count*: 45963
a_finite_fraction*: 0.003336
b_finite_count*: 55456
b_finite_fraction*: 0.004025
common_finite_count*: 43528
common_finite_fraction*: 0.003159
finite_in_only_one_count*: 14363
finite_in_only_one_fraction*: 0.001042

General Statistics

a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.01
max_a*: 71.46
max_b*: 99.52
min_a*: 1.321
min_b*: 1.368
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*: 10234858
a_missing_fraction*: 0.7428
b_missing_count*: 10225365
b_missing_fraction*: 0.7421
common_missing_count*: 10222930
common_missing_fraction*: 0.7419

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*: 0.8725
diff_outside_epsilon_count*: 42299
diff_outside_epsilon_fraction*: 0.9718
max_diff*: 76.43
mean_diff*: 0.2344
median_diff*: 0.1063
perfect_match_count*: 1
perfect_match_fraction*: 2.297e-05
rms_diff*: 1.246
std_diff*: 1.224
trouble_points_count*: 56662
trouble_points_fraction*: 0.004112