<commit_before>/**
 * Checks if 'value' is a number.
 * Note: NaN is considered a number.
 * @param   {*}       value The value to check.
 * @returns {Boolean} Returns true if 'value' is a number, else false.
 */
function isNumber(value) {
    'use strict';

    return value &&
        Object.prototype.toString.call(value) === '[object Number]' &&
        typeof value === 'number' ||
        false;
}<commit_msg>Fix to return true for NaN<commit_after>/**
 * Checks if 'value' is a number.
 * Note: NaN is considered a number.
 * @param {*} value The value to check.
 * @return {Boolean} Returns true if 'value' is a number, else false.
 */
function isNumber(value) {
    'use strict';

    return value != null && // NOTE: Using non strict equality to check against null and undefined.
        Object.prototype.toString.call(value) === '[object Number]' &&
        typeof value === 'number' ||
        false;
}
{'fraction_non_alphanumeric': 0.13785557986870897, 'fraction_numerical': 0.0, 'mean_word_length': 2.893617021276596, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '7536070', 'n_tokens_mistral': 265, 'n_tokens_neox': 256, 'n_words': 103}