CCPortal

浏览/检索结果: 共9条,第1-9条 帮助

已选(0)清除 条数/页:   排序方式:
Agglomeration and infrastructure effects in land use regression models for air pollution – Specification, estimation, and interpretations 期刊论文
ATMOSPHERIC ENVIRONMENT, 2021, 卷号: 253
作者:  Fritsch M.;  Behm S.
收藏  |  浏览/下载:26/0  |  提交时间:2022/01/18
Additive regression smoothers  Counterfactual analysis  Exposure to air pollution  Land use regression  Nitrogen dioxide  Spatial cross-validation  
Independent and reproducible hippocampal radiomic biomarkers for multisite Alzheimer's disease: diagnosis, longitudinal progress and biological basis 期刊论文
Science Bulletin, 2020, 卷号: 65, 期号: 13
作者:  Zhao K.;  Ding Y.;  Han Y.;  Fan Y.;  Alexander-Bloch A.F.;  Han T.;  Jin D.;  Liu B.;  Lu J.;  Song C.;  Wang P.;  Wang D.;  Wang Q.;  Xu K.;  Yang H.;  Yao H.;  Zheng Y.;  Yu C.;  Zhou B.;  Zhang X.;  Zhou Y.;  Jiang T.;  Zhang X.;  Liu Y.;  Alzheimer's Disease Neuroimaging Initiative;  Multi-Center Alzheimer Disease Imaging Consortium
收藏  |  浏览/下载:40/0  |  提交时间:2021/09/01
Biological basis  Brain biomarker  Hippocampal radiomic features  Independent cross-validation  Multisite Alzheimer's disease MRI  
Spatial modelling of particulate matter air pollution sensor measurements collected by community scientists while cycling, land use regression with spatial cross-validation, and applications of machine learning for data correction 期刊论文
ATMOSPHERIC ENVIRONMENT, 2020, 卷号: 230
作者:  Adams M.D.;  Massey F.;  Chastko K.;  Cupini C.
收藏  |  浏览/下载:49/0  |  提交时间:2022/01/18
Air pollution  Citizen science  Community science  Cross-validation  Cycling  Land use regression  Machine learning  Particulate matter  
Advancing methodologies for applying machine learning and evaluating spatiotemporal models of fine particulate matter (PM2.5) using satellite data over large regions 期刊论文
ATMOSPHERIC ENVIRONMENT, 2020, 卷号: 239
作者:  Just A.C.;  Arfer K.B.;  Rush J.;  Dorman M.;  Shtein A.;  Lyapustin A.;  Kloog I.
收藏  |  浏览/下载:24/0  |  提交时间:2022/01/18
Aerosol optical depth  Air pollution  MAIAC  PM2.5  Spatial cross-validation  
Aboveground tree biomass prediction options for the Dry Afromontane forests in south-central Ethiopia 期刊论文
, 2020, 卷号: 473
作者:  Asrat Z.;  Eid T.;  Gobakken T.;  Negash M.
收藏  |  浏览/下载:33/0  |  提交时间:2020/07/28
Biomass  Covariance matrix  Errors  Forecasting  Mean square error  Tropics  Aboveground tree biomass  Covariance matrices  Dry afromontane forests  Leave-one-out cross validations  Non-linear regression  Root mean squared errors  Species composition  Sustainable forest management  Forestry  aboveground biomass  decision making  forest inventory  forest management  model validation  montane forest  prediction  sampling  tropical forest  Ethiopia  
How structural diversity affects Norway spruce crown characteristics 期刊论文
, 2020, 卷号: 461
作者:  Bianchi S.;  Siipilehto J.;  Hynynen J.
收藏  |  浏览/下载:28/0  |  提交时间:2020/07/28
Fading (radio)  Information management  Plants (botany)  Statistical methods  Timber  Asymmetric competition  Continuous cover forestries  Leave-one-out cross validations  Management systems  Mean absolute percentage error  Picea Abies (L.) Karst  Repeated measurements  Structural diversity  Forestry  coniferous tree  data set  forest management  hexachlorobenzene  model validation  Characteristics  Forestry  Management  Models  Picea Abies  Statistical Methods  Trees  Finland  Picea abies  
A meteorological analysis interpolation scheme for high spatial-temporal resolution in complex terrain 期刊论文
, 2020, 卷号: 246
作者:  Casellas E.;  Bech J.;  Veciana R.;  Miró J.R.;  Sairouni A.;  Pineda N.
收藏  |  浏览/下载:47/0  |  提交时间:2020/07/28
Errors  Interpolation  Logistic regression  Mean square error  Open source software  Open systems  Cross validation errors  High temporal resolution  Interpolation schemes  Leave one out methods  Linear regression models  Meteorological analysis  Meteorological observation  Root mean square errors  Reduction  climate modeling  cluster analysis  numerical model  regional climate  regression analysis  spatial resolution  spatiotemporal analysis  temporal analysis  Catalonia  Spain  Emilia  
On climate and conflict: Precipitation decline and communal conflict in Ethiopia and Kenya 期刊论文
JOURNAL OF PEACE RESEARCH, 2019, 卷号: 56, 期号: 4, 页码: 514-528
作者:  van Weezel, Stijn
收藏  |  浏览/下载:23/0  |  提交时间:2019/10/08
climate change  communal conflict  cross-validation  Ethiopia  Kenya  precipitation  
Quantitative Model Based on Field-Derived Spectral Characteristics to Estimate Soil Salinity in Minqin County, China 期刊论文
SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 2014, 卷号: 78, 期号: 2
作者:  Pang, Guojin;  Wang, Tao;  Liao, Jie;  Li, Sen
收藏  |  浏览/下载:32/0  |  提交时间:2019/11/08
ANN  artificial neural network  BPNN  back-propagation neural  network  EC  electrical conductivity  FDR  first derivative reflectance  GA  genetic algorithm  NDVI  normalized difference vegetation index  PLS  partial least squares regression  RMSECV  root mean square error of cross-validation  RPD  ratio of prediction to deviation  SSC  soil salt content