Latitude Variable Comparison

report produced with glance, version 0.2.6.24
comparison generated Thu Nov 25 17:08:07 2010 by user wstraka on craackly.ssec.wisc.edu

file A:

path: /data/wstraka/Turb_v4/truth_data/geocatL2.GOES-12.2006096.231500.hdf
md5sum for file A: 42b7748205a3c9b719cbe7a91098ad24
last modified: Wed Nov 17 16:32:33 2010

file B:

path: /data/wstraka/Turb_v4/test_data/geocatL2.GOES-12.2006096.231500.hdf
md5sum for file B: b474ad7f7f04edfdc86c110e7725b076
last modified: Thu Nov 25 16:24:10 2010

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: pixel_latitude
longitude in A: pixel_longitude
longitude in B: pixel_longitude

WARNING: 1233 data points (0.02854% 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: pixel_latitude
epsilon value: 0.1
"missing" data value in A: -32768
"missing" data value in B: -32768
units in A: degrees_north
units in B: degrees_north

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*: -32768
epsilon*: 0.1
epsilon_percent*: None
max_a*: 61.09
max_b*: 61.09
min_a*: -1.736
min_b*: -1.736
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*: 0.002747
mean_diff*: 6.886e-07
median_diff*: 0
perfect_match_count*: 4147475
perfect_match_fraction*: 0.9997
r-squared correlation*: 1
rms_diff*: 4.349e-05
std_diff*: 4.348e-05
trouble_points_count*: 0
trouble_points_fraction*: 0