Quantopic Quantopic - 1 year ago 89
R Question

What is the difference among those kinds of dependencies in R?

I have to install the

package in R and looking at the CRAN page that deals with the package I saw that
has different dependencies:

  • Reverse depends: couchDB, df2json, edeR, gooJSON, indicoio, kintone, notifyR, RDSTK, Rfacebook, rJython, Rlabkey, rPlant, RYoudaoTranslate, SmarterPoland, sotkanet, source.gist, Storm, streamR, tibbrConnector, zendeskR;

  • Reverse imports: AntWeb, argparse, BerlinData, blsAPI, Causata, d3Network, db.r, geonames, GetoptLong, ggmap, h2o, helsinki, james.analysis, meteoForecast, mpoly, networkD3, ngramr, nhlscrapr, OpasnetUtils, OutbreakTools, paleobioDB, RAdwords, rbefdata, rClinicalCodes, rfisheries, rglobi, RIGHT, rnrfa, solr, StereoMorph, structSSI, twitteR, vdmR, yhatr;

  • Reverse suggests: fuzzyMM, GSIF, installr, mlr, plotKML, rsnps, sorvi, trajectories;

What is the difference among them and do I have to install all of them to use the

Answer Source

These are reverse dependencies, that is these packages depend on rjson. You do not have to install these in order to use rjson.

Looking at the DESCRIPTION file (this is where the dependencies are stated) you see only:

Depends: R (>= 3.1.0)

So rjson package needs only R newer or equal than 3.1.0 to run.

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