Longitude Variable Comparison

report produced with glance, version 0.2.6.26
comparison generated Tue Jul 12 17:30:07 2011 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/Turb_v5_ARR/truth_500/geocatL2.GOES-12.2006096.231500.hdf
md5sum for file A: 6dab79e01be528ee74519f164ea3e57b
last modified: Fri Jul 8 14:17:01 2011

file B:

path: /data/wstraka/Turb_v5_ARR/test_data/GOES12_IMAGER_2006096_2315_00_AWG_TURBULENCE.nc
md5sum for file B: d1e345d08a216799b5ed34b25fc6176a
last modified: Thu Jul 7 17:10:40 2011

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

latitude in A: pixel_latitude
latitude in B: Latitude
longitude in A: pixel_longitude
longitude in B: Longitude

WARNING: 4148515 data points (96.04% 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.

Comparison Information

variable name in A: pixel_longitude
variable name in B: Longitude
epsilon value: 0.1
"missing" data value in A: -32768
"missing" data value in B: -999.0
units in A: degrees_east
units in B: degrees_east

Statistical Summary

Finite Data Statistics
a_finite_count*: 4148515
a_finite_fraction*: 0.9604
b_finite_count*: 4148515
b_finite_fraction*: 0.9604
common_finite_count*: 4148515
common_finite_fraction*: 0.9604
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0

General Statistics
a_missing_value*: -32768
b_missing_value*: -999
epsilon*: 0.1
epsilon_percent*: None
max_a*: 3.785
max_b*: 3.783
min_a*: -151.6
min_b*: -151.6
num_data_points*: 4319608
shape*: (1247, 3464)
spatially_invalid_pts_ignored_in_a*: 171093
spatially_invalid_pts_ignored_in_b*: 171093

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*: 1
diff_outside_epsilon_count*: 0
diff_outside_epsilon_fraction*: 0
max_diff*: 0.002795
mean_diff*: 0.001373
median_diff*: 0.001373
mismatch_points_count*: 0
mismatch_points_fraction*: 0
perfect_match_count*: 0
perfect_match_fraction*: 0
r-squared correlation*: 1
rms_diff*: 0.001586
std_diff*: 0.000793