report produced with glance, version 0.7.1
analysis generated Thu Jul 31 22:45:16 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
| This variable passed comparison. |
✔
|
variable name: QF1
epsilon value: 0.0
"missing" data value: None
units in A: 1
units in B: 1
| Finite Data Statistics | Both | File A | File 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 Statistics | Both | File A | File B |
| epsilon ? : | 0.0000000 | ||
| epsilon_percent ? : | None | ||
| max ? : | 255.00000 | 255.00000 | |
| mean ? : | 220.20564 | 220.20564 | |
| median ? : | 255.00000 | 255.00000 | |
| min ? : | 0.0000000 | 0.0000000 | |
| missing_value ? : | None | None | |
| num_data_points ? : | 800000000 | ||
| shape ? : | (20000, 40000) | ||
| spatially_invalid_pts_ignored ? : | 0 | 0 | |
| std_val ? : | 57.803547 | 57.803547 | |
| Missing Value Statistics | Both | File A | File B |
| common_missing_count ? : | 0 | ||
| common_missing_fraction ? : | 0.0000000 | ||
| missing_count ? : | 0 | 0 | |
| missing_fraction ? : | 0.0000000 | 0.0000000 | |
| NaN Statistics | Both | File A | File B |
| common_nan_count ? : | 0 | ||
| common_nan_fraction ? : | 0.0000000 | ||
| nan_count ? : | 0 | 0 | |
| nan_fraction ? : | 0.0000000 | 0.0000000 | |
| Numerical Comparison Statistics | Both | File A | File B |
| correlation ? : | 0.99984241 | ||
| 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 ? : | 0.99968481 | ||
| rms_val ? : | 0.0000000 | ||
| std_val ? : | 0.0000000 |
| Attribute Name | File A Value | File B Value |
|---|---|---|
| comment | Bits are listed from LSB(bit 0) to MSB(bit 7). Bit Description 0-3 TOA NDVI quality ranks 4-7 IOC NDVI/EVI quality ranks. Quality Ranks are defined as follows: ---------------------------------------------------------------------------------------------------------------- Rank Conditions ---------------------------------------------------------------------------------------------------------------- # Name Valid_data clear Probably_clear No_snow/ice No_cloud_shadow Zenith_angle Aerosol_quantity ---------------------------------------------------------------------------------------------------------------- 0 Excellent Y Y Y Y SZA<75 & VZA<20 low 1 Good Y Y Y Y SZA<75 & VZA in [20,40] low Y Y Y Y SZA<75 & VZA<40 low 2 Acceptable Y Y Y Y Y SZA<75 & VZA>=40 low 3 Marginal Y Y Y Y Y SZA<75 & VZA<20 Average 4 Pass Y Y Y Y Y SZA<75 & VZA in [20,40] Average 5 Questionable Y Y Y Y Y SZA>=75| VZA>=40 Average 6 Poor Y Y Y Y Y SZA<90 | VZA<90 High/Climatology ---------------------------------------------------------------------------------------------------------------- 7 Cloud Shadow Y N 8 Snow/Ice Y N 9 Cloud Y N N 10 Estimated N Filled with Climatology Products 11 No-data N No data available 12 Water/Ocean N Water or Ocean ---------------------------------------------------------------------------------------------------------------- | Bits are listed from LSB(bit 0) to MSB(bit 7). Bit Description 0-3 TOA NDVI quality ranks 4-7 IOC NDVI/EVI quality ranks. Quality Ranks are defined as follows: ---------------------------------------------------------------------------------------------------------------- Rank Conditions ---------------------------------------------------------------------------------------------------------------- # Name Valid_data clear Probably_clear No_snow/ice No_cloud_shadow Zenith_angle Aerosol_quantity ---------------------------------------------------------------------------------------------------------------- 0 Excellent Y Y Y Y SZA<75 & VZA<20 low 1 Good Y Y Y Y SZA<75 & VZA in [20,40] low Y Y Y Y SZA<75 & VZA<40 low 2 Acceptable Y Y Y Y Y SZA<75 & VZA>=40 low 3 Marginal Y Y Y Y Y SZA<75 & VZA<20 Average 4 Pass Y Y Y Y Y SZA<75 & VZA in [20,40] Average 5 Questionable Y Y Y Y Y SZA>=75| VZA>=40 Average 6 Poor Y Y Y Y Y SZA<90 | VZA<90 High/Climatology ---------------------------------------------------------------------------------------------------------------- 7 Cloud Shadow Y N 8 Snow/Ice Y N 9 Cloud Y N N 10 Estimated N Filled with Climatology Products 11 No-data N No data available 12 Water/Ocean N Water or Ocean ---------------------------------------------------------------------------------------------------------------- |
| coordinates | latitude longitude | latitude longitude |
| flag_masks | [ 15 15 15 15 15 15 15 15 15 15 15 15 15 240 240 240 240 240 240 240 240 240 240 240 240 240] | [ 15 15 15 15 15 15 15 15 15 15 15 15 15 240 240 240 240 240 240 240 240 240 240 240 240 240] |
| flag_meanings | NDVI_TOA_QA_Rank_00 NDVI_TOA_QA_Rank_01 NDVI_TOA_QA_Rank_02 NDVI_TOA_QA_Rank_03 NDVI_TOA_QA_Rank_04 NDVI_TOA_QA_Rank_05 NDVI_TOA_QA_Rank_06 NDVI_TOA_QA_Rank_07 NDVI_TOA_QA_Rank_08 NDVI_TOA_QA_Rank_09 NDVI_TOA_QA_Rank_10 NDVI_TOA_QA_Rank_11 NDVI_TOA_QA_Rank_12 NDVI_TOC_QA_Rank_00 NDVI_TOC_QA_Rank_01 NDVI_TOC_QA_Rank_02 NDVI_TOC_QA_Rank_03 NDVI_TOC_QA_Rank_04 NDVI_TOC_QA_Rank_05 NDVI_TOC_QA_Rank_06 NDVI_TOC_QA_Rank_07 NDVI_TOC_QA_Rank_08 NDVI_TOC_QA_Rank_09 NDVI_TOC_QA_Rank_10 NDVI_TOC_QA_Rank_11 NDVI_TOC_QA_Rank_12 | NDVI_TOA_QA_Rank_00 NDVI_TOA_QA_Rank_01 NDVI_TOA_QA_Rank_02 NDVI_TOA_QA_Rank_03 NDVI_TOA_QA_Rank_04 NDVI_TOA_QA_Rank_05 NDVI_TOA_QA_Rank_06 NDVI_TOA_QA_Rank_07 NDVI_TOA_QA_Rank_08 NDVI_TOA_QA_Rank_09 NDVI_TOA_QA_Rank_10 NDVI_TOA_QA_Rank_11 NDVI_TOA_QA_Rank_12 NDVI_TOC_QA_Rank_00 NDVI_TOC_QA_Rank_01 NDVI_TOC_QA_Rank_02 NDVI_TOC_QA_Rank_03 NDVI_TOC_QA_Rank_04 NDVI_TOC_QA_Rank_05 NDVI_TOC_QA_Rank_06 NDVI_TOC_QA_Rank_07 NDVI_TOC_QA_Rank_08 NDVI_TOC_QA_Rank_09 NDVI_TOC_QA_Rank_10 NDVI_TOC_QA_Rank_11 NDVI_TOC_QA_Rank_12 |
| grid_mapping | plate_carree | plate_carree |
| long_name | Quality Flag1 (QF1) | Quality Flag1 (QF1) |
| standard_name | status_flag | status_flag |
| units | 1 | 1 |
| valid_range | [ 0 255] | [ 0 255] |