Generate Random Vector of Levels

Description

level - Generate a random vector of integer levels (1-4).

math - Generate a random vector of integer mathematics levels (1-4) similar to New York State grades 3-8 assessment results.

math - Generate a random vector of integer English language arts (ELA) levels (1-4) similar to New York State grades 3-8 assessment results.

Usage

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level(n, x = 1:4, prob = NULL, name = "Level")

math(n, x = 1:4, prob = c(0.29829, 0.33332, 0.22797, 0.14042),
  name = "Math")

ela(n, x = 1:4, prob = c(0.3161, 0.37257, 0.2233, 0.08803), name = "ELA")

Arguments

n

The number elements to generate. This can be globally set within the environment of r_data_frame or r_list.

x

A vector of elements to chose from.

prob

A vector of probabilities to chose from.

name

The name to assign to the output vector's varname attribute. This is used to auto assign names to the column/vector name when used inside of r_data_frame or r_list.

Details

Distribution of levels (used in prob) were taken from New York State' s 2014 assessment report: http://www.p12.nysed.gov/irs/

Level ELA Math
1 31.6% 29.8%
2 37.3% 33.3%
3 22.3% 22.8%
4 8.8% 14.0%

Value

Returns a random vector of integer levels (1-4) elements.

See Also

Other variable.functions: age, animal, answer, area, car, children, coin, color, date_stamp, death, dice, dna, dob, dummy, education, employment, eye, grade_level, grade, group, hair, height, income, internet_browser, iq, language, likert, lorem_ipsum, marital, military, month, name, normal, political, race, religion, sat, sentence, sex_inclusive, sex, smokes, speed, state, string, upper, valid, year, zip_code

Examples

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level(10)
barplot(table(level(10000, prob = probs(4))))

math(10)
barplot(table(math(10000)))

ela(10)
barplot(table(ela(10000)))

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