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An R package of datasets, based on my own speech, for use when demonstrating R code

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JoeyStanley/joeysvowels

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joeysvowels

The joeysvowels package provides a handful of datasets, some subsets of others, that contain formant measurements and other information about the vowels in my own speech. The purpose of the package is to make vowel data easily accessible for demonstrating code snippets when demonstrating working with sociophonetic data.

There are no functions contained in joeysvowels; it’s a data-only package.

Installation

You can install joeysvowels through GitHub:

remotes::install_github("joeystanley/joeysvowels")

You can then load the package like normally:

library(joeysvowels)

Contents

Currently, there are six datasets contained in joeysvowels:

  • darla is one that was prepared using pretty standard methods, using the DARLA web interface to automatically transcribe, force-align, and extract formants from the audio. The audio was me reading 300 prepared sentences. It’s a bit of a noisy dataset, so it’s a good example of working with real data. It is also very close to the format that FAVE exports its data, so any examples that use darla can be easily modified to another FAVE-produced spreadsheet.

  • coronals is a much cleaner, more controlled dataset. You can read about the methods by viewing the documentation (?coronals). Essentially, I read a bunch of (C)CVC(C) nonce words where the consonants were (almost) all coronal. All my vowel phonemes are represented. I aligned and extracted formants from the data myself. Four formants were extracted every 5% of the vowels’ durations, so great for demonstrating functions and visuals involving vowel trajectories.

    • midpoints is a subset of coronals and contains only the midpoints from F1 and F2.

    • mouth is a subset of coronals and is only the MOUTH (/aw/) vowel.

    • mouth_lite is a subset of mouth and trims away most of the columns and only contains 10 tokens.

  • idahoans contains formant measurements from 11 individuals from the state of Idaho in the US. This is great for testing normalization functions.

Example

You can access the datasets using data(). I’ll briefly visualize the datasets.

library(joeysvowels)
library(ggplot2)
library(tidyr)
library(dplyr)

The darla dataset is messy.

data(darla)
ggplot(darla, aes(F2, F1, color = vowel)) + 
  geom_point() + 
  scale_x_reverse() + 
  scale_y_reverse()

The coronals trajectories show clear influence from the surrounding consonants.

data(coronals)
avg_trajs <- coronals %>%
  group_by(vowel, percent) %>%
  summarize(across(c(F1, F2), mean)) %>%
  print()
## `summarise()` regrouping output by 'vowel' (override with `.groups` argument)

## # A tibble: 273 x 4
## # Groups:   vowel [13]
##    vowel percent    F1    F2
##    <fct>   <dbl> <dbl> <dbl>
##  1 LOT         0  454. 1616.
##  2 LOT         5  592. 1346.
##  3 LOT        10  648. 1283.
##  4 LOT        15  651. 1238.
##  5 LOT        20  661. 1178.
##  6 LOT        25  651. 1176.
##  7 LOT        30  636. 1152.
##  8 LOT        35  630. 1148.
##  9 LOT        40  633. 1153.
## 10 LOT        45  625. 1158.
## # … with 263 more rows
ggplot(avg_trajs, aes(F2, F1, color = vowel)) + 
  geom_path(aes(group = vowel), 
            arrow = arrow(angle = 20, length = unit(0.15, "in"), type = "closed")) + 
  scale_x_reverse() + 
  scale_y_reverse()

midpoints is pretty clean.

data(midpoints)
ggplot(midpoints, aes(F2, F1, color = vowel)) + 
  geom_point() + 
  scale_x_reverse() + 
  scale_y_reverse()

mouth shows pretty good trajectories.

data(mouth)
ggplot(mouth, aes(percent, hz, color = formant)) + 
  geom_path(aes(group = traj_id))

mouth_lite is just smaller.

data(mouth_lite)
ggplot(mouth_lite, aes(percent, hz, color = formant)) + 
  geom_path(aes(group = traj_id))

data(idahoans)
ggplot(idahoans, aes(F2, F1, color = vowel)) + 
  geom_point() + 
  scale_x_reverse() + 
  scale_y_reverse() + 
  facet_wrap(~speaker)

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An R package of datasets, based on my own speech, for use when demonstrating R code

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