r - RStudio 0.97.551 shows unrecognizable characters in console -


sometimes rstudio using shows unrecognizable characters in console in following pic: enter image description here

i tried same command in r console , seems shows normally: enter image description here

what wrong rstudio? how solve it? tried set text encoding in rstudio windows-1252 , utf-8. didn't work. it seems single quotation mark's problem.

i had same problem. try computer -> control panel -> region , language -> administrative -> language non-unicode programs -> change whatever english(us)


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