Table 2 Diagnosis of all variables with missing data in the global dataset.
From: A global dataset of gross nitrogen transformation rates across terrestrial ecosystems
Variable | Data type | Missing count | Missing (%) | Unique count |
|---|---|---|---|---|
ID | numeric | 0 | 0.0 | 1552 |
Authors* | character | 0 | 0.0 | 205 |
Year | numeric | 0 | 0.0 | 31 |
Publication | character | 0 | 0.0 | 331 |
Journal | character | 0 | 0.0 | 75 |
DOI | character | 17 | 1.1 | 326 |
LONDD | numeric | 0 | 0.0 | 581 |
LATDD | numeric | 0 | 0.0 | 603 |
Climate | character | 1067 | 68.8 | 58 |
Elevation | numeric | 1020 | 65.7 | 150 |
MAP | numeric | 376 | 24.2 | 286 |
MAT | numeric | 525 | 33.8 | 173 |
KC18_MAP | numeric | 0 | 0.0 | 491 |
KC18_MAT | numeric | 0 | 0.0 | 527 |
KC18_main | character | 0 | 0.0 | 5 |
KC18_sub | character | 0 | 0.0 | 23 |
Ecosystem | character | 6 | 0.4 | 8 |
Plant_dominant | character | 386 | 24.9 | 382 |
Biome | character | 0 | 0.0 | 9 |
Bio_leaf_grow | character | 861 | 55.5 | 16 |
Bio_leaf_long | character | 876 | 56.4 | 16 |
Leaf_grow | character | 861 | 55.5 | 6 |
Leaf_long | character | 876 | 56.4 | 6 |
Study_type | character | 0 | 0.0 | 2 |
Ambient_N | numeric | 1306 | 84.1 | 66 |
N_fertilized | logical | 0 | 0.0 | 2 |
Soil_class | character | 398 | 25.6 | 271 |
WRB_rsg | character | 16 | 1.0 | 30 |
WRB_1qual | character | 53 | 3.4 | 73 |
Soil_horiz | character | 0 | 0.0 | 3 |
Top_cm | numeric | 84 | 5.4 | 19 |
Bottom_cm | numeric | 84 | 5.4 | 40 |
Soil_layer | character | 82 | 5.3 | 3 |
Clay_orig | numeric | 899 | 57.9 | 54 |
Silt_orig | numeric | 945 | 60.9 | 75 |
Sand_orig | numeric | 937 | 60.4 | 88 |
Soil_texture_orig | character | 709 | 45.7 | 27 |
Clay_perc | numeric | 945 | 60.9 | 52 |
Silt_perc | numeric | 945 | 60.9 | 78 |
Sand_perc | numeric | 945 | 60.9 | 90 |
Soil_texture_class | character | 669 | 43.1 | 13 |
WHC | numeric | 898 | 57.9 | 35 |
WFPS | numeric | 362 | 23.3 | 87 |
Soil_pH | numeric | 0 | 0.0 | 67 |
Soil_pH_class | character | 0 | 0.0 | 9 |
TOC | numeric | 138 | 8.9 | 597 |
TN | numeric | 235 | 15.1 | 180 |
C_N | numeric | 213 | 13.7 | 259 |
Ammonium | numeric | 650 | 41.9 | 261 |
Nitrate | numeric | 651 | 41.9 | 305 |
MBC | numeric | 1201 | 77.4 | 297 |
MBN | numeric | 1150 | 74.1 | 229 |
MBC_N | numeric | 1286 | 82.9 | 134 |
NNM | numeric | 1171 | 75.5 | 287 |
NNR | numeric | 1204 | 77.6 | 248 |
GNM | numeric | 105 | 6.8 | 818 |
GNR | numeric | 286 | 18.4 | 612 |
GNRa | numeric | 1191 | 76.7 | 260 |
GNRh | numeric | 1207 | 77.8 | 127 |
DNRA | numeric | 1157 | 74.5 | 100 |
INH4 | numeric | 658 | 42.4 | 522 |
INO3 | numeric | 744 | 47.9 | 286 |
INN | numeric | 755 | 48.6 | 533 |
