Package 'wordbankr'

Connect to the Wordbank database

Description

Connect to the Wordbank database

Usage

connect_to_wordbank(db_args = NULL)

Arguments

db_args

List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A src object which is connection to the Wordbank database.

Examples

src <- connect_to_wordbank()

---

Fit age of acquisition estimates for Wordbank data

Description

For each item in the input data, estimate its age of acquisition as the earliest age (in months) at which the proportion of children who understand/produce the item is greater than some threshold. The proportions used can be empirical or first smoothed by a model.

Usage

fit_aoa(
  instrument_data,
  measure = "produces",
  method = "glm",
  proportion = 0.5,
  age_min = min(instrument_data$age, na.rm = TRUE),
  age_max = max(instrument_data$age, na.rm = TRUE)
)

Arguments

instrument_data	A data frame returned by get_instrument_data, which must have an "age" column and a "num_item_id" column.
measure	One of "produces" or "understands" (defaults to "produces").
method	A string indicating which smoothing method to use: empirical to use empirical proportions, glm to fit a logistic linear model, glmrob a robust logistic linear model (defaults to glm).
proportion	A number between 0 and 1 indicating threshold proportion of children.
age_min	The minimum age to allow for an age of acquisition. Defaults to the minimum age in instrument_data
age_max	The maximum age to allow for an age of acquisition. Defaults to the maximum age in instrument_data

Value

A data frame where every row is an item, the item-level columns from the input data are preserved, and the aoa column contains the age of acquisition estimates.

Examples

eng_ws_data <- get_instrument_data(language = "English (American)",
                                   form = "WS",
                                   items = c("item_1", "item_42"),
                                   administration_info = TRUE)
if (!is.null(eng_ws_data)) eng_ws_aoa <- fit_aoa(eng_ws_data)

---

Fit quantiles to vocabulary sizes using quantile regression

Description

Fit quantiles to vocabulary sizes using quantile regression

Usage

fit_vocab_quantiles(vocab_data, measure, group, quantiles = "standard")

Arguments

vocab_data	A data frame returned by get_administration_data.
measure	A column of vocab_data with vocabulary values (production or comprehension).
group	(Optional) A column of vocab_data to group by.
quantiles	Either one of "standard" (default), "deciles", "quintiles", "quartiles", "median", or a numeric vector of quantile values.

Value

A data frame with the columns "language", "form", "age", group (if specified), "quantile", and measure, where measure is the fit vocabulary value for that quantile at that age.

Examples

eng_wg <- get_administration_data(language = "English (American)",
                                  form = "WG",
                                  include_demographic_info = TRUE)
if (!is.null(eng_wg)) {
  vocab_quantiles <- fit_vocab_quantiles(eng_wg, production)
  vocab_quantiles_sex <- fit_vocab_quantiles(eng_wg, production, sex)
  vocab_quartiles <- fit_vocab_quantiles(eng_wg, production, quantiles = "quartiles")
}

---

Get the Wordbank by-administration data

Description

Get the Wordbank by-administration data

Usage

get_administration_data(
  language = NULL,
  form = NULL,
  filter_age = TRUE,
  include_demographic_info = FALSE,
  include_birth_info = FALSE,
  include_health_conditions = FALSE,
  include_language_exposure = FALSE,
  include_study_internal_id = FALSE,
  db_args = NULL
)

Arguments

language	An optional string specifying which language's administrations to retrieve.
form	An optional string specifying which form's administrations to retrieve.
filter_age	A logical indicating whether to filter the administrations to ones in the valid age range for their instrument.
include_demographic_info	A logical indicating whether to include the child's demographic information (birth_order, ethnicity, race, sex, caregiver_education).
include_birth_info	A logical indicating whether to include the child's birth information (birth_weight, born_early_or_late, gestational_age, zygosity).
include_health_conditions	A logical indicating whether to include the child's health condition information (a nested dataframe under health_conditions with the column health_condition_name).
include_language_exposure	A logical indicating whether to include the child's language exposure information at time of administration (a nested dataframe under language_exposures with the columns language, exposure_proportion, age_of_first_exposure).
include_study_internal_id	A logical indicating whether to include the child's ID in the original study data.
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A data frame where each row is a CDI administration and each column is a variable about the administration (data_id, date_of_test, age, comprehension, production, is_norming), the dataset it's from (dataset_name, dataset_origin_name, language, form, form_type), and information about the child as described in the parameter specification.

Examples

english_ws_admins <- get_administration_data("English (American)", "WS")
all_admins <- get_administration_data()

---

Get item-by-age summary statistics for items across languages

Description

Get item-by-age summary statistics for items across languages

Usage

get_crossling_data(uni_lemmas, db_args = NULL)

Arguments

uni_lemmas	A character vector of uni_lemmas.
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A dataframe with a row for each combination of language, item, and age, and columns for summary statistics for the group: number of children (n_children), means (comprehension, production), standard deviations (comprehension_sd, production_sd); and item-level variables (item_id, definition, uni_lemma, lexical_category, lexical_class).

Examples

crossling_data <- get_crossling_data(uni_lemmas = "dog")

---

Get the uni_lemmas available in Wordbank

Description

Get the uni_lemmas available in Wordbank

Usage

get_crossling_items(db_args = NULL)

Arguments

db_args

List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A data frame with the column uni_lemma.

Examples

uni_lemmas <- get_crossling_items()

---

Get the Wordbank data sources

Description

Get the Wordbank data sources

Usage

get_datasets(language = NULL, form = NULL, admin_data = FALSE, db_args = NULL)

Arguments

language	An optional string specifying which language's datasets to retrieve.
form	An optional string specifying which form's datasets to retrieve.
admin_data	A logical indicating whether to include summary-level statistics on the administrations within a dataset.
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A data frame where each row is a particular dataset and its characteristics: dataset_id, dataset_name, dataset_origin_name (unique identifier for groups of datasets that may share children), language, form, form_type, contributor (contributor name and affiliated institution), citation, license, longitudinal (whether dataset includes longitudinal participants). Also includes summary statistics on a dataset if the admin_data flag is TRUE: number of administrations (n_admins).

Examples

english_ws_datasets <- get_datasets(language = "English (American)",
                                    form = "WS",
                                    admin_data = TRUE)

---

Get the Wordbank administration-by-item data

Description

Get the Wordbank administration-by-item data

Usage

get_instrument_data(
  language,
  form,
  items = NULL,
  administration_info = FALSE,
  item_info = FALSE,
  db_args = NULL,
  ...
)

Arguments

language	A string of the instrument's language (insensitive to case and whitespace).
form	A string of the instrument's form (insensitive to case and whitespace).
items	A character vector of column names of instrument_table of items to extract. If not supplied, defaults to all the columns of instrument_table.
administration_info	Either a logical indicating whether to include administration data or a data frame of administration data (as returned by get_administration_data).
item_info	Either a logical indicating whether to include item data or a data frame of item data (as returned by get_item_data).
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).
...	<['dynamic-dots'][rlang::dyn-dots]> Arguments passed to get_administration_data().

Value

A data frame where each row contains the values (value, produces, understands) of a given item (item_id) for a given administration (data_id), with additional columns of variables about the administration and item, as specified.

Examples

eng_ws_data <- get_instrument_data(language = "English (American)",
                                   form = "WS",
                                   items = c("item_1", "item_42"),
                                   item_info = TRUE)

---

Get the Wordbank instruments

Description

Get the Wordbank instruments

Usage

get_instruments(db_args = NULL)

Arguments

db_args

List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A data frame where each row is a CDI instrument and each column is a variable about the instrument (instrument_id, language, form, age_min, age_max, has_grammar).

Examples

instruments <- get_instruments()

---

Get the Wordbank by-item data

Description

Get the Wordbank by-item data

Usage

get_item_data(language = NULL, form = NULL, db_args = NULL)

Arguments

language	An optional string specifying which language's items to retrieve.
form	An optional string specifying which form's items to retrieve.
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A data frame where each row is a CDI item and each column is a variable about it: item_id, item_kind (e.g. word, gestures, word_endings), item_definition, english_gloss, language, form, form_type, category (meaning-based group as shown on the CDI form), lexical_category, lexical_class, complexity_category, uni_lemma).

Examples

english_ws_items <- get_item_data("English (American)", "WS")
all_items <- get_item_data()

---

Get database connection arguments

Description

Get database connection arguments

Usage

get_wordbank_args()

Value

List of database connection arguments: host, db_name, username, password

Examples

get_wordbank_args()

---

Get item-by-age summary statistics

Description

Get item-by-age summary statistics

Usage

summarise_items(item_data, db_args = NULL)

Arguments

item_data	A dataframe as returned by get_item_data().
db_args	List with arguments to connect to wordbank mysql database (host, dbname, user, and password).

Value

A dataframe with a row for each combination of item and age, and columns for summary statistics for the group: number of children (n_children), means (comprehension, production), standard deviations (comprehension_sd, production_sd); also retains item-level variables from lang_items (item_id, item_definition, uni_lemma, lexical_category).

Examples

italian_items <- get_item_data(language = "Italian", form = "WG")
if (!is.null(italian_items)) {
  italian_dog <- dplyr::filter(italian_items, uni_lemma == "dog")
  italian_dog_summary <- summarise_items(italian_dog)
}

---