R tip #1: use paste0 instead of paste

You expect that concatenating two strings will yield the strings “mashed together”. But paste is annoying (or convenient) in that it adds a separator by default (space). paste0 doesn’t do this, so it acts more like conventional concatenation which is simply more convenient, usually. So I advocate for the oddly named paste0 to be your default paste.

An example:


[1] "var First"

[1] "varFirst"



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