ImDAY: 0.6842难道不是从下跌到下跌的概率吗

nknk233: 怎么下载安装各个版本的R语言包呢？我两个不同版本的R和Rstudio是安装在同一个路径目录，且路径为英文，重启Rstudio后提示install package，但全部报错了！ [code=plain] ** Installing R Packages: 'phytools', 'viridis' [1/5] Installing maps... �ж����ư汾�ģ���Դ����汾�Ǻ�����: binary source needs_compilation maps 3.4.1 3.4.1.1 TRUE ��װԴ���'maps' �Կ�URL��https://mirrors.sjtug.sjtu.edu.cn/cran/src/contrib/maps_3.4.1.1.tar.gz' Content type 'application/gzip' length 2278050 bytes (2.2 MB) ================================================== downloaded 2.2 MB Active code page: 65001 * installing *source* package 'maps' ... ** package 'maps' successfully unpacked and MD5 sums checked ** using staged installation ********************************************** WARNING: this package has a configure script It probably needs manual configuration ********************************************** ** libs running 'src/Makefile.win' ... /usr/bin/make -f "D:/Aca/R/R-41~1.0/etc/x64/Makeconf" -f Makefile.win init.o mapcli [/code]

lovebokie: 您好，请问数据要怎样获得呢

*夏弋·＊913: 您好，其中一个步骤，把dccgarch文件夹复制到Eviews Addins文件目录下，Add-ins操作时里面还是没有dccgarch这是什么原因啊？

蒜薹147: 很明显做错了，脉冲响应必须收敛