Formatc in r

formatC(x, format = NULL, digits = y, flag = "") 
#format = g #Fixed format unless sci save space
#		= f #Fixed format
#		= e #Sci format

#y = no. of significant figure (sci)
#  = no. of digit after decimal point (fixed)

# flag = "+" #Force display sign
#	   = "-" #Left align numbers
#	   = "0" #Pad numbers with leading zero

Source: campus.datacamp.com

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