SI Variable Comparison

report produced with glance, version 0.2.6.10
comparison generated Tue Sep 29 20:17:41 2009 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/temp/NC4_NC3_TEST//NC3/MSG8_SEVIRI_2006236_1600_00_AWG_SOUNDINGS.nc
md5sum for file A: 4e256a47e8171fb75c668e0a1ea2479e
last modified: Tue Sep 29 15:58:26 2009

file B:

path: /data/wstraka/temp/NC4_NC3_TEST//NC4/MSG8_SEVIRI_2006236_1600_00_AWG_SOUNDINGS.nc
md5sum for file B: 13efad67d26848a5a0c9ea4999e2b34d
last modified: Tue Sep 29 15:44:58 2009

latitude: Latitude
longitude: Longitude

Original Data

Comparison Information

variable name: SI
epsilon value: 0.1
"missing" data value in A: -999.0
"missing" data value in B: -999.0

Statistical Summary

Finite Data Statistics

a_finite_count*: 636500
a_finite_fraction*: 0.4153
b_finite_count*: 636496
b_finite_fraction*: 0.4153
common_finite_count*: 636064
common_finite_fraction*: 0.415
finite_in_only_one_count*: 153
finite_in_only_one_fraction*: 9.983e-05

General Statistics

a_missing_value*: -999
b_missing_value*: -999
epsilon*: 0.1
max_a*: 20.21
max_b*: 21.38
min_a*: -7.491
min_b*: -7.491
num_data_points*: 1532644
shape*: (1238, 1238)
spatially_invalid_pts_ignored_in_a*: 895314
spatially_invalid_pts_ignored_in_b*: 895280
trouble_points_count*: 366468
trouble_points_fraction*: 0.2391

Missing Value Statistics

a_missing_count*: 0
a_missing_fraction*: 0
b_missing_count*: 0
b_missing_fraction*: 0
common_missing_count*: 0
common_missing_fraction*: 0

NaN Statistics

a_nan_count*: 830
a_nan_fraction*: 0.0005415
b_nan_count*: 868
b_nan_fraction*: 0.0005663
common_nan_count*: 772
common_nan_fraction*: 0.0005037

Numerical Comparison Statistics

correlation*: 0.9638
diff_outside_epsilon_count*: 366314
diff_outside_epsilon_fraction*: 0.5759
max_diff*: 8.871
mean_diff*: 1.574
median_diff*: 1.452
perfect_match_count*: 267281
perfect_match_fraction*: 0.4202
rms_diff*: 2.237
std_diff*: 1.591