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2023-02-12
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Machine Learning
增长回归树模型(Boosted Regression Trees)
2020-02-15
增长回归树模型(Boosted Regression Trees, BRT)是由 Elith et al. 2008 提出的,其用于生态学统计模型中的解释和预测,对某些典型特征如非线性的变量和变量之间的相互关系有很好的解释和预测。 BRT 是一种拟合统计模型,与传统的拟合吝啬模型有很大不同,其将回归树(regression tree)和增长(boosting)两种方法结合了起来。回归…
Biogeography
中国与日本的生物地理学——以动物区系为例
Bin Ye
/
2019-09-16
日本岛屿起源于东亚大陆边缘的增生棱柱(accretionary prism),在中中新世(mid-Miocene)形成破碎的岛屿,一部分与西伯利亚远东相关的岛屿即日本东北部,与另一部分与中国相联系的岛屿即日本西南部,以所谓的“双开门”过程(Otofuji et al. 1985),自中新世以来,约2100-1100万年前这一期间,日本东北部已绕垂直轴逆时针旋转47°,日本西南部也逆时针旋转…
R
Map - based on Chapter 8 of Geocomputation with R
Bin Ye
/
2019-07-03
Geocomputation with R: Chapter 8 - Making map with R teaches how to make maps with various packages with R. Most of the methods are easy to learn if you read this chapter carefully and try to use…
R
Summary-Geocomputation with R
2019-07-03
Geocomputation with R 的前七章是关于R运算地理数据的最基本概念、方法和示例。这里将这些基本章节中使用到的程辑包以及函数总结如下。 […] sf […] raster […] spData […] spDataLarge […] names() , summary() , class() […]…
R
Geocomputation with R - 07
2019-07-02
The Geographic data I/O is mainly about reading (inputing) and writing (outputing) geographic data. They are important steps for geocomputation. This chapter introducted a lot of methods to access the…
R
Geocomputation with R - 06
2019-07-01
The exercise solutions of Chapter 6 could be accessed at Chapter 6: Reprojecting geographic data. Here are solutions of mine explained in Chinese. 第六章 Reprojecting geographic data 详细讲述了地理数据对象的坐标参考…
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