Description Usage Arguments Details Value Note Author(s) See Also Examples
This function converts an R object to xml code, so an output of an R script can be handled easly by any programming language. Every elements in xml is encapsulated in <root></root> tags. Any variable in list or variable itself is placed between <variable> and </variable> tags. Values of elemenets are placed between <value> and </value> tags. Xml structure is easy to parse and browse.
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obj |
R object that to be converted to xml. |
name |
Optinal. Each element in xml code is listed as <variable name="" type="numeric | chracter">. Default name is name of R object, but a new name can be defined. |
A generated output of lm object is like this:
<?xml version="1.0"?> <root> <variable name="coefficients" type="numeric"> <value>0.662970909075238</value> <value>-0.125473985248366</value> </variable> <variable name="residuals" type="numeric"> <value>-0.0856149907633715</value> <value>0.963352019137748</value> <value>-0.212667731012814</value> <value>-0.561977205893819</value> <value>-0.133045701604119</value> <value>-0.485339628713294</value> <value>0.107354078697277</value> <value>-0.624426907949804</value> <value>1.45763471890252</value> <value>-0.425268650800328</value> </variable> <variable name="effects" type="numeric"> <value>0.0858115975474794</value> <value>-1.13967406760172</value> <value>-0.313474791725809</value> <value>-0.577239374729828</value> <value>-0.0627629785631422</value> <value>-0.329512013795331</value> <value>0.348726585492226</value> <value>-0.297509509277868</value> <value>1.87009700945145</value> <value>0.07273853162558</value> </variable> <variable name="rank" type="numeric"> <value>2</value> </variable> <variable name="fitted_values" type="numeric"> <value>0.537496923826872</value> <value>0.412022938578506</value> <value>0.28654895333014</value> <value>0.161074968081774</value> <value>0.0356009828334077</value> <value>-0.0898730024149584</value> <value>-0.215346987663324</value> <value>-0.340820972911691</value> <value>-0.466294958160057</value> <value>-0.591768943408423</value> </variable> <variable name="assign" type="numeric"> <value>0</value> <value>1</value> </variable> <variable name="df_residual" type="numeric"> <value>8</value> </variable> <variable name="call" type="character"> <value>lm, y ~ x</value> </variable> <variable name="terms" type="character"> <value>~, y, x</value> </variable> </root>
Returns a well-formed xml file for given R object.
This function can be used for handling R output from other languages such as C, C++, Java, Javascript and Pyhton. This method turns problem of "calling R from other languages" into "parsing xml".
Mehmet Hakan Satman
makejava
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