Debbie Hahs-Vaughn
2021-Jun-11 18:54 UTC
[R] Identifying words from a list and code as 0 or 1 and words NOT on the list code as 1
Thank you for noting this. The utterance has to match the exact phrase (e.g.,
"all done") for it to constitute a match in the utterance.
________________________________
From: Bert Gunter <bgunter.4567 at gmail.com>
Sent: Friday, June 11, 2021 2:42 PM
To: Debbie Hahs-Vaughn <debbie at ucf.edu>
Cc: r-help at R-project.org <r-help at r-project.org>
Subject: Re: [R] Identifying words from a list and code as 0 or 1 and words NOT
on the list code as 1
Note that your specification is ambiguous. "all done" is not a single
word -- it's a phrase. So what do you want to do if:
1) "all" and/or "done" are also among your core words?
2) "I'm all done" is another of your core phrases.
The existence of phrases in your core list allows such conflicts to arise. Do
you claim that phrases would be chosen so that this can never happen? -- or what
is your specification if they can (what constitutes a match and in what
priority)?
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Fri, Jun 11, 2021 at 10:06 AM Debbie Hahs-Vaughn <debbie at
ucf.edu<mailto:debbie at ucf.edu>> wrote:
I am working with utterances, statements spoken by children. From each
utterance, if one or more words in the statement match a predefined list of
multiple 'core' words (probably 300 words), then I want to input
'1' into 'Core' (and if none, then input '0' into
'Core').
If there are one or more words in the statement that are NOT core words, then I
want to input '1' into 'Fringe' (and if there are only core
words and nothing extra, then input '0' into 'Fringe'). I will
not have a list of Fringe words.
Basically, right now I have a child ID and only the utterances. Here is a
snippet of my data.
ID Utterance
1 a baby
2 small
3 yes
4 where's his bed
5 there's his bed
6 where's his pillow
7 what is that on his head
8 hey he has his arm stuck here
9 there there's it
10 now you're gonna go night-night
11 and that's the thing you can turn on
12 yeah where's the music box
13 what is this
14 small
15 there you go baby
The following code runs but isn't doing exactly what I need--which is: 1)
the ability to detect words from the list and define as core; 2) the ability to
search the utterance and if there are any words in the utterance that are NOT
core, to identify those as ?1? as I will not have a list of fringe words.
```
library(dplyr)
library(stringr)
library(tidyr)
coreWords <-c("I", "no", "yes", "my",
"the", "want", "is", "it",
"that", "a", "go", "mine",
"you", "what", "on", "in",
"here", "more", "out", "off",
"some", "help", "all done", "finished")
str_detect(df,)
dfplus <- df %>%
mutate(id = row_number()) %>%
separate_rows(Utterance, sep = ' ') %>%
mutate(Core = + str_detect(Utterance, str_c(coreWords, collapse =
'|')),
Fringe = + !Core) %>%
group_by(id) %>%
mutate(Core = + (sum(Core) > 0),
Fringe = + (sum(Fringe) > 0)) %>%
slice(1) %>%
select(-Utterance) %>%
left_join(df) %>%
ungroup() %>%
select(Utterance, Core, Fringe, ID)
```
The dput() code is:
structure(list(Utterance = c("a baby", "small",
"yes", "where's his bed",
"there's his bed", "where's his pillow", "what
is that on his head",
"hey he has his arm stuck here", "there there's it",
"now you're gonna go night-night",
"and that's the thing you can turn on", "yeah where's the
music box",
"what is this", "small", "there you go baby ",
"what is this for ",
"a ", "and the go goodnight here ", "and what is this
", " what's that sound ",
"what does she say ", "what she say", "should I turn
the on so Laura doesn't cry ",
"what is this ", "what is that ", "where's clothes
", " where's the baby's bedroom ",
"that might be in dad's bed+room ", "yes ", "there
you go baby ",
"you're welcome "), Core = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L), Fringe = c(0L, 0L, 0L, 1L, 1L, 1L,
0L, 1L, 0L, 1L, 1L, 1L, 0L, 0L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), ID = 1:31), row.names = c(NA,
-31L), class = c("tbl_df", "tbl", "data.frame"))
```
The first 10 rows of output looks like this:
Utterance Core Fringe ID
1 a baby 1 0 1
2 small 1 0 2
3 yes 1 0 3
4 where's his bed 1 1 4
5 there's his bed 1 1 5
6 where's his pillow 1 1 6
7 what is that on his head 1 0 7
8 hey he has his arm stuck here 1 1 8
9 there there's it 1 0 9
10 now you're gonna go night-night 1 1 10
For example, in line 1 of the output, ?a? is a core word so ?1? for core is
correct. However, ?baby? should be picked up as fringe so there should be ?1?,
not ?0?, for fringe. Lines 7 and 9 also have words that should be identified as
fringe but are not.
Additionally, it seems like if the utterance has parts of a core word in it,
it?s being counted. For example, ?small? is identified as a core word even
though it's not (but 'all done' is a core word). 'Where's
his bed' is identified as core and fringe, although none of the words are
core.
Any suggestions on what is happening and how to correct it are greatly
appreciated.
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Bert Gunter
2021-Jun-11 23:10 UTC
[R] Identifying words from a list and code as 0 or 1 and words NOT on the list code as 1
First, if Rui's solution works for you, I recommend that you stop reading
and discard this email. Why bother wasting time with stuff you don't need?!
If it doesn't work or if you would like another approach -- perhaps as a
check -- then read on.
Warning: I am a dinosaur and just use base R functionality , including
regular expressions, for these sorts of relatively simple tasks. I also
eschew pipes. So my code for your example is simply:
matchpat <- paste("\\b",coreWords, "\\b", sep =
"",collapse = "|")
out <- gsub(matchpat,"",Utterance)
Core <- nchar(out) != nchar(Utterance)
Fringe <- nchar(gsub(" +","",out)) > 0
Note that I have given the results as logical TRUE or FALSE. If you insist
on 1's and 0's, just instead do:
Core <- (nchar(out) != nchar(Utterance)) + 0
Fringe <- sign(nchar(gsub(" +","",out)))
Now for an explanation. My approach was simply to create a regular
expression (regex) match pattern that would match any of your words or
phrases. The matchpat assignment does this just by logically "or"ing
(with
the"|" symbol) together all your words and phrases, each of which is
surrounded by the edge of word symbol, "\\b" (so only whole words or
phrases are matched). This is standard regex stuff, and I could do it
rather handily with r's paste() function. One word of caution, though:
R's
?regex says:
"Long regular expression patterns may or may not be accepted: the POSIX
standard only requires up to 256 bytes." So what works for your reprex
might not work for your full list of coreWords. It is possible to work
around this by repeatedly applying subsets of your coreWords **provided**
you make sure that you order these subsets by the number of words in each
coreWord phrase. That is, bigger phrases must be applied first before
applying smaller phrases/words to the results. This is not hard to do, but
adds complexity, and may not be necessary. See below for an explanation.
What the second line of code does is to use the gsub() function to remove
all matches to matchpat -- which, via the "|" construction -- is
anything
in your coreWord list. So this means that if you have any matches in an
utterance, what remains after gsubbing will be shorter -- fewer characters
-- than the original utterance. The Core assignment checks for this using
the nchar() function and returns TRUE or FALSE as appropriate. If all the
words in the utterance matched code words, you would be left with nothing
or a bunch of spaces. The Fringe assignment just first removes all spaces
via the gsub() and then returns TRUE if there's nothing (0 characters) left
or FALSE if there still are some left.
Finally, why do you have to start with longer phrases first if you have to
do this sequentially? Suppose you have the phrases "good night" in
your
phrase list, and also the word "night". If you have to do things
sequentially instead of as one swell foop, if you applied the gsub() with a
bunch including only "night" first, then "night" will be
removed and "good"
will be left. Then when the bunch containing "good night" is gsubbed
after,
it won't see the whole phrase any more and "good" will be left in,
which is
*not* what you said you wanted.
Finally,it is of course possible to do these things by sequentially
applying one word/phrase at a time in a loop (again, longest phrases first
for the same reason as above), but I believe this might take quite a while
with a big list of coreWords (and Utterances). The above approach using
"|"
vectorizes things and takes advantage of the power of the regex engine, so
I think it will be more efficient **if it's accepted.** But if you run
into the problem of pattern length limitations, then sequentially, one at a
time, might be simpler. My judgments of computational efficiency are often
wrong anyway.
Note: I think my approach works, but I would appreciate an on-list response
if I have erred. Also, even if correct, alternative cleverer approaches are
always welcome.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Fri, Jun 11, 2021 at 11:54 AM Debbie Hahs-Vaughn <debbie at ucf.edu>
wrote:
> Thank you for noting this. The utterance has to match the exact phrase
> (e.g., "all done") for it to constitute a match in the utterance.
>
>
> ------------------------------
> *From:* Bert Gunter <bgunter.4567 at gmail.com>
> *Sent:* Friday, June 11, 2021 2:42 PM
> *To:* Debbie Hahs-Vaughn <debbie at ucf.edu>
> *Cc:* r-help at R-project.org <r-help at r-project.org>
> *Subject:* Re: [R] Identifying words from a list and code as 0 or 1 and
> words NOT on the list code as 1
>
> Note that your specification is ambiguous. "all done" is not a
single word
> -- it's a phrase. So what do you want to do if:
>
> 1) "all" and/or "done" are also among your core
words?
> 2) "I'm all done" is another of your core phrases.
>
> The existence of phrases in your core list allows such conflicts to arise.
> Do you claim that phrases would be chosen so that this can never happen? --
> or what is your specification if they can (what constitutes a match and in
> what priority)?
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along
and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip
)
>
>
> On Fri, Jun 11, 2021 at 10:06 AM Debbie Hahs-Vaughn <debbie at
ucf.edu>
> wrote:
>
> I am working with utterances, statements spoken by children. From each
> utterance, if one or more words in the statement match a predefined list of
> multiple 'core' words (probably 300 words), then I want to input
'1' into
> 'Core' (and if none, then input '0' into 'Core').
>
> If there are one or more words in the statement that are NOT core words,
> then I want to input '1' into 'Fringe' (and if there are
only core words
> and nothing extra, then input '0' into 'Fringe'). I will
not have a list
> of Fringe words.
>
> Basically, right now I have a child ID and only the utterances. Here is a
> snippet of my data.
>
> ID Utterance
> 1 a baby
> 2 small
> 3 yes
> 4 where's his bed
> 5 there's his bed
> 6 where's his pillow
> 7 what is that on his head
> 8 hey he has his arm stuck here
> 9 there there's it
> 10 now you're gonna go night-night
> 11 and that's the thing you can turn on
> 12 yeah where's the music box
> 13 what is this
> 14 small
> 15 there you go baby
>
>
> The following code runs but isn't doing exactly what I need--which is:
1)
> the ability to detect words from the list and define as core; 2) the
> ability to search the utterance and if there are any words in the utterance
> that are NOT core, to identify those as ?1? as I will not have a list of
> fringe words.
>
> ```
>
> library(dplyr)
> library(stringr)
> library(tidyr)
>
> coreWords <-c("I", "no", "yes",
"my", "the", "want", "is",
"it", "that",
> "a", "go", "mine", "you",
"what", "on", "in", "here",
"more", "out", "off",
> "some", "help", "all done",
"finished")
>
> str_detect(df,)
>
> dfplus <- df %>%
> mutate(id = row_number()) %>%
> separate_rows(Utterance, sep = ' ') %>%
> mutate(Core = + str_detect(Utterance, str_c(coreWords, collapse =
'|')),
> Fringe = + !Core) %>%
> group_by(id) %>%
> mutate(Core = + (sum(Core) > 0),
> Fringe = + (sum(Fringe) > 0)) %>%
> slice(1) %>%
> select(-Utterance) %>%
> left_join(df) %>%
> ungroup() %>%
> select(Utterance, Core, Fringe, ID)
>
> ```
>
> The dput() code is:
>
> structure(list(Utterance = c("a baby", "small",
"yes", "where's his bed",
> "there's his bed", "where's his pillow",
"what is that on his head",
> "hey he has his arm stuck here", "there there's
it", "now you're gonna go
> night-night",
> "and that's the thing you can turn on", "yeah
where's the music box",
> "what is this", "small", "there you go baby
", "what is this for ",
> "a ", "and the go goodnight here ", "and what is
this ", " what's that
> sound ",
> "what does she say ", "what she say", "should I
turn the on so Laura
> doesn't cry ",
> "what is this ", "what is that ", "where's
clothes ", " where's the baby's
> bedroom ",
> "that might be in dad's bed+room ", "yes ",
"there you go baby ",
> "you're welcome "), Core = c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L), Fringe = c(0L, 0L, 0L, 1L, 1L, 1L,
> 0L, 1L, 0L, 1L, 1L, 1L, 0L, 0L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
> 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), ID = 1:31), row.names = c(NA,
> -31L), class = c("tbl_df", "tbl",
"data.frame"))
>
> ```
>
> The first 10 rows of output looks like this:
>
> Utterance Core Fringe ID
> 1 a baby 1 0 1
> 2 small 1 0 2
> 3 yes 1 0 3
> 4 where's his bed 1 1 4
> 5 there's his bed 1 1 5
> 6 where's his pillow 1 1 6
> 7 what is that on his head 1 0 7
> 8 hey he has his arm stuck here 1 1 8
> 9 there there's it 1 0 9
> 10 now you're gonna go night-night 1 1 10
>
> For example, in line 1 of the output, ?a? is a core word so ?1? for core
> is correct. However, ?baby? should be picked up as fringe so there should
> be ?1?, not ?0?, for fringe. Lines 7 and 9 also have words that should be
> identified as fringe but are not.
>
> Additionally, it seems like if the utterance has parts of a core word in
> it, it?s being counted. For example, ?small? is identified as a core word
> even though it's not (but 'all done' is a core word).
'Where's his bed' is
> identified as core and fringe, although none of the words are core.
>
> Any suggestions on what is happening and how to correct it are greatly
> appreciated.
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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