poinsettia: poinsettia: The height of Poinsettias Measured over Time

In thoree/stat340: Data and functions for BIAS at NMBU

poinsettia: The height of Poinsettias Measured over Time

Description

30 poinsettia plants (Euphorbia pulcherrima) were grown under three different conditions, and the height of the poinsettias was measured weekly up to around 100 days.

Usage

poinsettia

Format

A tibble with 330 observations (rows) and 4 variables (columns).

	Column name	Data type	Description	Values
[,1]	day	numeric	The day of the measurement	(0 - 98)
[,2]	treatment	factor	3 levels of treatments	(control, chemical, temperature)
[,3]	plant	factor	30 different poinsettias	(plant_1...plant_30)
[,4]	height	numeric	Measured height at a given day	(2.865 - 50.783)

Details

The plants were grown under three different conditions:

• 10 plants were grown in normal conditions (control)

• 10 plants were treated with chemicals to grow shorter

• 10 plants were treated with temperature manipulations to achieve the same as with chemicals

Some data are missing for most of the plants.

Examples

# First 10 rows
head(poinsettia)

# The growth of all plants
attach(poinsettia)
plot(day, height, col = plant)
detach(poinsettia)

thoree/stat340 documentation built on June 30, 2024, 4:04 p.m.