Flag Variable Comparison

report produced with glance, version 0.2.6.10
comparison generated Tue Sep 29 19:18:16 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_WINDS_AMV.nc
md5sum for file A: 8d77c43cd45738780486ad8ac36de437
last modified: Tue Sep 29 15:58:33 2009

file B:

path: /data/wstraka/temp/NC4_NC3_TEST//NC4/MSG8_SEVIRI_2006236_1600_00_AWG_WINDS_AMV.nc
md5sum for file B: 1a390d349d97b3bf1c8bec75627ba824
last modified: Tue Sep 29 15:45:05 2009

latitude: Latitude
longitude: Longitude

WARNING: 55748 data points (82.37% of all data) show possible mismatch in values stored in file a and file b longitude and latitude values. Depending on the degree of mismatch, some data value comparisons in this report may be distorted or spatially nonsensical. Please consider re-running this report and including an examination of your longitude and latitude variables with appropriate epsilons in order to analyze the significance of the difference.
View mismatching points in A's lon/lat system
View mismatching points in B's lon/lat system

Original Data

Comparison Information

variable name: Flag
epsilon value: 0.1
"missing" data value in A: -99
"missing" data value in B: -99

Statistical Summary

Finite Data Statistics
a_finite_count*: 67681
a_finite_fraction*: 1
b_finite_count*: 67681
b_finite_fraction*: 1
common_finite_count*: 67681
common_finite_fraction*: 1
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0

General Statistics
a_missing_value*: -99
b_missing_value*: -99
epsilon*: 0.1
max_a*: 16
max_b*: 16
min_a*: 0
min_b*: 0
num_data_points*: 67681
shape*: (67681,)
spatially_invalid_pts_ignored_in_a*: 0
spatially_invalid_pts_ignored_in_b*: 0
trouble_points_count*: 26107
trouble_points_fraction*: 0.3857

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*: 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*: 0.3628
diff_outside_epsilon_count*: 26107
diff_outside_epsilon_fraction*: 0.3857
max_diff*: 16
mean_diff*: 1.904
median_diff*: 0
perfect_match_count*: 41574
perfect_match_fraction*: 0.6143
rms_diff*: 3.742
std_diff*: 3.37