Cloud Probability Variable Comparison

report produced with glance, version 0.2.7.05
comparison generated Fri Mar 14 21:01:18 2014 by user wstraka on presto.ssec.wisc.edu

file A:

path: /home/wstraka/orbit_dump/NPP_BAYES_CLOUD_MASK/PFAAST/NPP_VIIRS_2013270_2015_14_NPP_BAYES_CLOUD_MASK.nc
md5sum for file A: 9c9cedfdc3ed33732e4ad2de907f5f8a
last modified: Fri Mar 14 17:21:24 2014

file B:

path: /home/wstraka/orbit_dump/NPP_BAYES_CLOUD_MASK/CRTM/NPP_VIIRS_2013270_2015_14_NPP_BAYES_CLOUD_MASK.nc
md5sum for file B: 72f4b96d330324b43223735a45d5800e
last modified: Wed Mar 5 21:24:57 2014

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

Original Data

Comparison Information

variable name: CloudProbability
epsilon value: 0.0
"missing" data value in A: -999.0
"missing" data value in B: -999.0
units in A:
units in B:

Statistical Summary

Finite Data Statistics

a_finite_count*: 2375200
a_finite_fraction*: 0.9665
b_finite_count*: 2375200
b_finite_fraction*: 0.9665
common_finite_count*: 2375200
common_finite_fraction*: 0.9665
finite_in_only_one_count*: 0
finite_in_only_one_fraction*: 0.000

General Statistics

a_missing_value*: -999.0
b_missing_value*: -999.0
epsilon*: 0.000
epsilon_percent*: None
max_a*: 1.000
max_b*: 1.000
min_a*: 2.566e-08
min_b*: 1.152e-08
num_data_points*: 2457600
shape*: (768, 3200)
spatially_invalid_pts_ignored_in_a*: 0
spatially_invalid_pts_ignored_in_b*: 0

Missing Value Statistics

a_missing_count*: 82400
a_missing_fraction*: 0.03353
b_missing_count*: 82400
b_missing_fraction*: 0.03353
common_missing_count*: 82400
common_missing_fraction*: 0.03353

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*: 0.9323
diff_outside_epsilon_count*: 1361057
diff_outside_epsilon_fraction*: 0.5730
max_delta*: 0.7736
max_diff*: 0.9926
mean_delta*: -0.04621
mean_diff*: 0.04758
median_delta*: 0.000
median_diff*: 1.404e-05
min_delta*: -0.9926
mismatch_points_count*: 1361057
mismatch_points_fraction*: 0.5538
perfect_match_count*: 1014143
perfect_match_fraction*: 0.4270
r-squared correlation*: 0.8692
rms_val*: 0.1672
std_val*: 0.1628