Cloud Top Temperature Variable Comparison

report produced with glance, version 0.3.0.05
analysis generated Fri May 31 18:08:04 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_HEIGHT.nc
md5sum for file B: d8538f2a0f7144c770e952b0c2af87e3
last modified: Wed May 22 20:56:37 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.
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: baseline_cld_hght_seviri_cloud_top_temperature
variable name in B: CldTopTemp
epsilon value: 0.1
"missing" data value in A: -32768
"missing" data value in B: -999.0
units in A: K
units in B: Kelvin

Statistical Summary

Finite Data Statistics
a_finite_count*: 14433896
a_finite_fraction*: 0.4906
b_finite_count*: 14568827
b_finite_fraction*: 0.4952
common_finite_count*: 14308714
common_finite_fraction*: 0.4864
finite_in_only_one_count*: 385295
finite_in_only_one_fraction*: 0.01310

General Statistics
a_missing_value*: -32768
b_missing_value*: -999.0
epsilon*: 0.1000
epsilon_percent*: None
max_a*: 316.8
max_b*: 316.8
min_a*: 187.0
min_b*: 180.0
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*: 8612476
a_missing_fraction*: 0.2927
b_missing_count*: 8477611
b_missing_fraction*: 0.2882
common_missing_count*: 8352363
common_missing_fraction*: 0.2839

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*: 0.9596
diff_outside_epsilon_count*: 4484231
diff_outside_epsilon_fraction*: 0.3134
max_delta*: 106.9
max_diff*: 107.3
mean_delta*: 0.1348
mean_diff*: 1.451
median_delta*: 0.02316
median_diff*: 0.04214
min_delta*: -107.3
mismatch_points_count*: 4869592
mismatch_points_fraction*: 0.1655
perfect_match_count*: 0
perfect_match_fraction*: 0.000
r-squared correlation*: 0.9209
rms_val*: 8.896
std_val*: 8.895