longitude Variable Comparison

report produced with glance, version 0.2.6.25
comparison generated Wed Apr 13 22:28:20 2011 by user hongz on craackly.ssec.wisc.edu

file A:

path: /data/hongz/cloud_V5_11082010/cloud_team_version5_release_delta_11082010/geocat/glance_comp/geocatL2.GOES-R.2005155.220000.hdf
md5sum for file A: 6a0acd82c855bd11ea7eb85759af2089
last modified: Tue Apr 5 19:41:34 2011

file B:

path: /data/hongz/cloud_V5_11082010/cloud_team_version5_release_delta_11082010/geocat/glance_comp/ncsa_fcm_rem_2km_conus_wrf_2005_0604_2200utc_notime_rev.nc
md5sum for file B: 67fa7fdc768661302983d2a436311263
last modified: Mon Apr 11 18:17:38 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: lat
longitude in A: pixel_longitude
longitude in B: lon
longitude/latitude comparison epsilon: 0.01

WARNING: 3022533 data points (93.2% 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 in A: pixel_longitude
variable name in B: lon
epsilon value: 0.0
"missing" data value in A: -32768
"missing" data value in B: -999
units in A: degrees_east
units in B: degrees_east

Statistical Summary

Finite Data Statistics
a_finite_count*: 3032986
a_finite_fraction*: 0.9352
b_finite_count*: 3033220
b_finite_fraction*: 0.9353
common_finite_count*: 3032986
common_finite_fraction*: 0.9352
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0

General Statistics
a_missing_value*: -32768
b_missing_value*: -999
epsilon*: 0
epsilon_percent*: None
max_a*: -60.27
max_b*: -60.29
min_a*: -153.9
min_b*: -153.8
num_data_points*: 3243188
shape*: (1222, 2654)
spatially_invalid_pts_ignored_in_a*: 210202
spatially_invalid_pts_ignored_in_b*: 209968

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*: 3032986
diff_outside_epsilon_fraction*: 1
max_diff*: 1.533
mean_diff*: 0.005712
median_diff*: 0.004068
mismatch_points_count*: 3032986
mismatch_points_fraction*: 0.9352
perfect_match_count*: 0
perfect_match_fraction*: 0
r-squared correlation*: 1
rms_diff*: 0.01358
std_diff*: 0.01232