Cloud Probability Variable Comparison

report produced with glance, version 0.2.7.05
comparison generated Fri Mar 14 21:04:10 2014 by user wstraka on presto.ssec.wisc.edu

file A:

path: /home/wstraka/orbit_dump/NPP_BAYES_CLOUD_MASK/PFAAST/NPP_VIIRS_2013270_2305_55_NPP_BAYES_CLOUD_MASK.nc
md5sum for file A: 12085b2156e3524dec2e24af075f4000
last modified: Fri Mar 14 17:21:39 2014

file B:

path: /home/wstraka/orbit_dump/NPP_BAYES_CLOUD_MASK/CRTM/NPP_VIIRS_2013270_2305_55_NPP_BAYES_CLOUD_MASK.nc
md5sum for file B: 302a81705bd5eaad0c14bb7758e6eb06
last modified: Wed Mar 5 21:25:07 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*: 0.0008480
min_b*: 0.0007621
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*: 0.9179
diff_outside_epsilon_count*: 1475700
diff_outside_epsilon_fraction*: 0.6213
max_delta*: 0.7861
max_diff*: 0.9231
mean_delta*: 0.01115
mean_diff*: 0.01669
median_delta*: 0.000
median_diff*: 5.788e-05
min_delta*: -0.9231
mismatch_points_count*: 1475700
mismatch_points_fraction*: 0.6005
perfect_match_count*: 899500
perfect_match_fraction*: 0.3787
r-squared correlation*: 0.8426
rms_val*: 0.05664
std_val*: 0.05531