Longitude Variable Comparison

report produced with glance, version 0.3.0.05
analysis generated Fri May 31 18:05:27 2013 by user wstraka on presto.ssec.wisc.edu

file A:

path: /data/users/wstraka/craackly_data/clouds_abi/l2_output/geocatL2.GOES-16.Fulldisk.2005155.200000.hdf
md5sum for file A: 8930aeb826147fedbaa7bb067c86bea9
last modified: Tue May 28 15:38:34 2013

file B:

path: /data/users/wstraka/craackly_data/clouds_abi/AIT_ABI/GOESR_ABI_FG_2005155_2000_00_AWG_CLOUD_PHASE.nc
md5sum for file B: 4c9d5f27dc3e04afb75c6637891c2f55
last modified: Wed May 22 20:57:35 2013

A configuration file was used to control the production of this 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
longitude/latitude comparison epsilon: 0.1

WARNING: 31 data points (0.0001054% 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*: 23046372
a_finite_fraction*: 0.7834
b_finite_count*: 23046438
b_finite_fraction*: 0.7834
common_finite_count*: 23046372
common_finite_fraction*: 0.7834
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0.000

General Statistics
a_missing_value*: -32768
b_missing_value*: -999.0
epsilon*: 0.1000
epsilon_percent*: None
max_a*: 6.196
max_b*: 6.268
min_a*: -156.2
min_b*: -156.3
num_data_points*: 29419776
shape*: (5424, 5424)
spatially_invalid_pts_ignored_in_a*: 6373404
spatially_invalid_pts_ignored_in_b*: 6373338

Missing Value Statistics
a_missing_count*: 0
a_missing_fraction*: 0.000
b_missing_count*: 0
b_missing_fraction*: 0.000
common_missing_count*: 0
common_missing_fraction*: 0.000

NaN Statistics
a_nan_count*: 0
a_nan_fraction*: 0.000
b_nan_count*: 0
b_nan_fraction*: 0.000
common_nan_count*: 0
common_nan_fraction*: 0.000

Numerical Comparison Statistics
correlation*: 1.000
diff_outside_epsilon_count*: 31
diff_outside_epsilon_fraction*: 1.345e-06
max_delta*: 0.2706
max_diff*: 0.2752
mean_delta*: 1.101e-06
mean_diff*: 0.001383
median_delta*: 1.925e-06
median_diff*: 0.001375
min_delta*: -0.2752
mismatch_points_count*: 31
mismatch_points_fraction*: 1.054e-06
perfect_match_count*: 0
perfect_match_fraction*: 0.000
r-squared correlation*: 1.000
rms_val*: 0.001630
std_val*: 0.001630