在程式语言部分，我的专长在物质流估计、水文、地形、生地化作用模拟， 还有一点点资料处理(真是不敢在这里讲资料处理)。 研究室要我介绍 R 有什麽用处、谁应该学 R (终於要收徒弟了) 就列出一些我有在用的 package 吧， 今天一清点，删掉的 pkg 也蛮多的。 主题有几个 > Probability Distribution > Time Series Analysis > Spatial Analysis - vector > Spatial Analysis - raster > Optimization > Numerical model 就开始吧。 > Probability Distribution actuar Actuarial Functions and Heavy Tailed Distributions base The R Base Package: include the mountaion and include the sea. > Time Series Analysis TSA Time Series Analysis timsac Time Series Analysis and Control Package wavelets A package of functions for computing wavelet filters, wavelet transforms and multiresolution analyses > Spatial Analysis - vector Sp Classes and Methods for Spatial Data Maptools Tools for Reading and Handling Spatial Objects shapefiles Read and Write ESRI Shapefiles Splance Spatial and Space-Time Point Pattern Analysis rgdal Bindings for the Geospatial Data Abstraction Library > Spatial Analysis - raster RPyGeo ArcGIS Geoprocessing in R via Python Raster Geographic Data Analysis and Modeling RSAGA SAGA Geoprocessing and Terrain Analysis in R Fields Tools for Spatial Data > Hydrology model in R topmodel Implementation of the hydrological model TOPMODEL in R TUWmodel Lumped Hydrological Model for Education Purposes Ecohydrology A community modeling foundation for Eco-Hydrology Evapotranspiration Modelling Actual, Potential and Reference Crop Evapotranspiration hydrogeo Groundwater Data Presentation and Interpretation hydroTSM Time series management, analysis and interpolation for hydrological modelling > Optimization DEoptim Global Optimization by Differential Evolution hydroGOF Goodness-of-fit functions for comparison of simulated and observed hydrological time series mcmc Markov Chain Monte Carlo FME A Flexible Modelling Environment for Inverse Modelling, Sensitivity, Identifiability and Monte Carlo Analysis > Numerical model, Differential equation deSolve Solvers for Initial Value Problems of Differential Equations (ODE, DAE, DDE) 就这样，去做ppt了。 --

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