Skip to contents

This dataset, iq_country_tbl_df, is a tibble containing information on the average intelligence quotient (IQ) of countries around the world. In addition to average IQ scores, the dataset includes several socioeconomic and demographic indicators such as literacy rate, number of Nobel Prizes won collectively by each country, Human Development Index (HDI, 2021), mean years of schooling (2021), gross national income (GNI, 2021), and population estimates for 2023. These variables provide a broad context for understanding cognitive performance at the country level.

Usage

data(iq_country_tbl_df)

Format

A tibble with 193 observations and 10 variables:

Rank

Global ranking based on average IQ (numeric)

Country

Name of the country (character)

Average IQ

Estimated average IQ score of the population (numeric)

Continent

Continent to which the country belongs (character)

Literacy Rate

Literacy rate of the population (numeric)

Nobel Prices

Total number of Nobel Prizes won collectively by the country (numeric)

HDI (2021)

Human Development Index for the year 2021 (numeric)

Mean years of schooling - 2021

Average years of schooling in 2021 (numeric)

GNI - 2021

Gross national income for 2021 (numeric)

Population - 2023

Estimated population in 2023 (character)

Details

The dataset name has been kept as iq_country_tbl_df to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the NeuroDataSets package and assists users in identifying its specific characteristics. The suffix tbl_df indicates that the dataset is a tibble (a modern data frame). The original content has not been modified in any way. Variable names and values are provided exactly as they appear in the source.