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 有什么用处、谁应该学 R
(终于要收徒弟了)
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。