A common digraph with ⟨n⟩ is ⟨ng⟩, which represents a velar nasal in a variety of languages, usually positioned word-finally in English.

n⟩ represents a dental or alveolar nasal in virtually all languages that use the Latin alphabet, and in the International Phonetic Alphabet.the %>% is read as "and then" and is way of listing your functions sequentially rather then nesting them.

n⟩ is the sixth-most common letter and the second-most commonly used consonant in the English language (after ⟨t⟩). However, the name for the letter in the Phoenician, Hebrew, Aramaic and Arabic alphabets is nun, which means " fish" in some of these languages. Your pattern matches start of the string ( that Semitic speakers working in Egypt adapted hieroglyphics to create the first alphabet, and that they used the same snake symbol to represent N, because their word for "snake" may have begun with that sound.N with descender Small letter n with mid-height left hook was used by the British and Foreign Bible Society in the early 20th century for romanization of the Malayalam language. In mathematics, the italic form n is a particularly common symbol for a variable quantity which represents a natural number. So that command is saying you should do the grouping and then summarize the result of the grouping by the number of rows in each group and then ungroup that result, and then group the un-grouped data based on n and then summarize that by the total number of rows in each of the new groups. N, or n, is the fourteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.