My question is about why rbind function of R does not work for Gujarati text input - user-input

Question

library(tibble)
library(tidyr)
pos_tweets = rbind(c(‘મને આ કાર ગમે છે’, ‘positive’),
Error: unexpected input in "pos_tweets = rbind(c(‘"
c(‘આ દૃશ્ય સુંદર છે’, ‘positive’),
Error: unexpected input in " c(‘"
c(‘આ સવારે મને મજા આવે છે’, ‘positive’),
Error: unexpected input in " c(‘"
c(‘સંગીત રોમાંચક છે’, ‘positive’),
Error: unexpected input in " c(‘"
c(‘રમેશ મારો પાકો દોસ્ત છે’, ‘positive’),
Error: unexpected input in " c(‘"
c(કમળા ખૂબ રૂપાળી છે’, ‘positive’),
Error: unexpected input in " c(\"
c(અમારું બિલાડું રમતિયાળ છે’, ‘positive’),
Error: unexpected input in " c(\"
c(લાડુ તો ભાવે જ ને’, ‘positive’),
Error: unexpected input in " c(\"
c(વાડી લીલી છે’, ‘positive’),
Error: unexpected input in " c(\"
c(ચોપડી રસપ્રદ છે’, ‘positive’)
Error: unexpected input in " c(\"
)
Error: unexpected ')' in ")"

Answer 1

Either single quote marks ' or double quote marks " must be used around the text.
Above are "strange" left quote and right quote, and fails the syntax check for allowed characters, and the text is not being recognized as a valid character string. It is the result of SMART QUOTES, given by WORD resulting in characters x93 and x94, instead of x22. See article I found 11/18/2018 at
https://support.office.com/en-us/article/change-curly-quotes-to-straight-quotes-and-vice-versa-017963a0-bc5f-486b-9c9d-0ec511a8fb8f
Change all left-quote to single or double, and then change all right-quote to the same.
Has nothing to do with text being Gujarati text.
c(‘મને આ કાર ગમે છે’, ‘positive’) fails
Copy the above and paste into Notepad, and then change font size to 18 to see the difference.
both of these work
> pos_tweets = rbind(c("મને આ કાર ગમે છે", "positive"))
> pos_tweets = rbind(c('મને આ કાર ગમે છે', 'positive'))