无法在Ubuntu上为'pmml'安装'XML'包依赖

Question

我试图使用install.packages（''）选项以及源代码在R中安装'pmml'软件包。 但是两种方式都会出错。

试试R

install.packages('pmml',dependencies=T)
Cannot find xml2-config
ERROR: configuration failed for package ‘XML’
* removing ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2/XML’
ERROR: dependency ‘XML’ is not available for package ‘pmml’
* removing ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2/pmml’

从源头尝试

> install.packages('pmml_1.4.2.tar.gz', repos = NULL, type="source")
Installing package into ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2’
(as ‘lib’ is unspecified)
ERROR: dependency ‘XML’ is not available for package ‘pmml’
* removing ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2/pmml’
Warning message:
In install.packages("pmml_1.4.2.tar.gz", repos = NULL, type = "source") :
  installation of package ‘pmml_1.4.2.tar.gz’ had non-zero exit status

尝试使用R CMD安装

 % R CMD INSTALL pmml_1.4.2.tar.gz                         
* installing to library ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2’
ERROR: dependency ‘XML’ is not available for package ‘pmml’
* removing ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2/pmml’

我也尝试使用这些相同的方法为R安装xml库，但不断得到类似的错误

ERROR: configuration failed for package ‘XML’
* removing ‘/home/PepperBoy/R/x86_64-pc-linux-gnu-library/3.2/XML’

Answer 1

您需要安装系统库libxm2-dev来安装XML包（ pmml依赖的）。 所以，如果您使用的是Debian或Ubuntu，只需通过以下方式安装：

sudo apt-get install libxml2-dev

然后继续R包安装。 请注意检查要安装的任何R软件包的主页中的SystemRequirements部分（对于XML ，请参见此处 ）。