Fix plaintext typos (#1088)
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@ -200,7 +200,7 @@ In R, `&` is "and", `|` is "or", and `!` is "not", and `xor()` is exclusive or[^
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[^logicals-2]: That is, `xor(x, y)` is true if x is true, or y is true, but not both.
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[^logicals-2]: That is, `xor(x, y)` is true if x is true, or y is true, but not both.
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This is how we usually use "or" In English.
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This is how we usually use "or" In English.
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Both is not usually an acceptable answer to the question "would you like ice cream or cake?".
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"Both" is not usually an acceptable answer to the question "would you like ice cream or cake?".
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```{r}
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```{r}
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#| label: fig-bool-ops
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#| label: fig-bool-ops
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@ -312,7 +312,7 @@ babynames |>
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geom_line()
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geom_line()
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```
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```
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(Note that this gives us the proportion of names that contain an x; if you wanted the proportion of babies with a name containing an x, you'd need to perform a weighted mean).
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(Note that this gives us the proportion of names that contain an x; if you wanted the proportion of babies with a name containing an x, you'd need to perform a weighted mean.)
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### Introduction to regular expressions
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### Introduction to regular expressions
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@ -325,8 +325,7 @@ str_detect(c("x", "X"), "x")
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In general, any letter or number will match exactly, but punctuation characters like `.`, `+`, `*`, `[`, `]`, `?`, often have special meanings[^strings-8].
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In general, any letter or number will match exactly, but punctuation characters like `.`, `+`, `*`, `[`, `]`, `?`, often have special meanings[^strings-8].
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For example, `.`
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For example, `.`
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will match any character[^strings-9], so `"a."` will match any string that contains an "a" followed by another character
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will match any character[^strings-9], so `"a."` will match any string that contains an "a" followed by another character:
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:
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[^strings-8]: You'll learn how to escape this special behaviour in @sec-regexp-escaping.
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[^strings-8]: You'll learn how to escape this special behaviour in @sec-regexp-escaping.
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