QF2 Variable Comparison

report produced with glance, version 0.7.1
analysis generated Thu Jul 31 22:27:09 2025 by user richard.young on rhw1379.star1.nesdis.noaa.gov

File A:

path: /data/data564/richard.young/NVPS_COMPS_ROUND_1/assistt_VI-DLY-GLB__v4r0_j01_s20250107_e20250107_c202507311930450.nc
md5sum for File A: ebaf41d8d88e58fc4195ea38017ecbd1
last modified: Thu Jul 31 21:52:49 2025

File B:

path: /data/data564/richard.young/NVPS_COMPS_ROUND_1/science_VI-DLY-GLB_v4r0_j01_s20250107_e20250107_c202501091925060.nc
md5sum for File B: ef27ad502d62d2026f9d0c41badc44e5
last modified: Thu Jul 31 21:59:10 2025

Original Data

Comparison Information

This variable passed comparison.

variable name: QF2
epsilon value: 0.0
"missing" data value: None
units in A: 1
units in B: 1

Statistical Summary

Finite Data StatisticsBothFile AFile B
common_finite_count ? : 800,000,000
common_finite_fraction ? : 1.0000000
finite_count ? : 800,000,000 800,000,000
finite_fraction ? : 1.0000000 1.0000000
finite_in_only_one_count ? : 0
finite_in_only_one_fraction ? : 0.0000000
General StatisticsBothFile AFile B
epsilon ? : 0.0000000
epsilon_percent ? : None
max ? : 255.00000 255.00000
mean ? : 11.022003 11.022003
median ? : 4.0000000 4.0000000
min ? : 0.0000000 0.0000000
missing_value ? : None None
num_data_points ? : 800000000
shape ? : (20000, 40000)
spatially_invalid_pts_ignored ? : 0 0
std_val ? : 24.111814 24.111814
Missing Value StatisticsBothFile AFile B
common_missing_count ? : 0
common_missing_fraction ? : 0.0000000
missing_count ? : 0 0
missing_fraction ? : 0.0000000 0.0000000
NaN StatisticsBothFile AFile B
common_nan_count ? : 0
common_nan_fraction ? : 0.0000000
nan_count ? : 0 0
nan_fraction ? : 0.0000000 0.0000000
Numerical Comparison StatisticsBothFile AFile B
correlation ? : 1.0000000
diff_outside_epsilon_count ? : 0
diff_outside_epsilon_fraction ? : 0.0000000
max_delta ? : 0.0000000
max_diff ? : 0.0000000
mean_delta ? : 0.0000000
mean_diff ? : 0.0000000
median_delta ? : 0.0000000
median_diff ? : 0.0000000
min_delta ? : 0.0000000
mismatch_points_count ? : 0
mismatch_points_fraction ? : 0.0000000
perfect_match_count ? : 800,000,000
perfect_match_fraction ? : 1.0000000
r-squared correlation ? : 1.0000000
rms_val ? : 0.0000000
std_val ? : 0.0000000

Variable Attributes

Attribute Name File A Value File B Value
comment Bits are listed from LSB(bit 0) to MSB(bit 7) Bit Description 0 EVI method: 1 -- EVI2 0 -- EVI 1-2 Land cover types: 11 -- Desert 10 -- Water 01 -- Land 00 -- Snow or Ice 3-4 Cloud status: 11 -- Confidently cloudy 10 -- Probably cloudy 01 -- Probably clear 00 -- Confidently clear 5-6 Aerosol Quantity: 11 -- High 10 -- Average 01 -- Low 00 -- Climatology 7 Cloud shadow: 1 -- Shadow; 0 -- No Shadow Bits are listed from LSB(bit 0) to MSB(bit 7) Bit Description 0 EVI method: 1 -- EVI2 0 -- EVI 1-2 Land cover types: 11 -- Desert 10 -- Water 01 -- Land 00 -- Snow or Ice 3-4 Cloud status: 11 -- Confidently cloudy 10 -- Probably cloudy 01 -- Probably clear 00 -- Confidently clear 5-6 Aerosol Quantity: 11 -- High 10 -- Average 01 -- Low 00 -- Climatology 7 Cloud shadow: 1 -- Shadow; 0 -- No Shadow
coordinates latitude longitude latitude longitude
flag_masks [ 1 1 6 6 6 6 12 12 12 12 48 48 48 48 64 64] [ 1 1 6 6 6 6 12 12 12 12 48 48 48 48 64 64]
flag_meanings Method_EVI Method_EVI2 LC_snow LC_water LC_land LC_desert CC_clear CC_probably_clear CC_probably_cloud CC_cloud Aerosol_climatology Aerosol_low Aerosol_average Aerosol_high Cloud_Shadow_no Cloud_Shadow_no Method_EVI Method_EVI2 LC_snow LC_water LC_land LC_desert CC_clear CC_probably_clear CC_probably_cloud CC_cloud Aerosol_climatology Aerosol_low Aerosol_average Aerosol_high Cloud_Shadow_no Cloud_Shadow_no
grid_mapping plate_carree plate_carree
long_name Quality Flag2 (QF2) Quality Flag2 (QF2)
standard_name status_flag status_flag
units 1 1
valid_range [ 0 255] [ 0 255]