这是一篇关于生物学家统计的作业代写
The exam involves the analysis of a dataset, for which you will choose your own research questions that can be answered through statistical analysis of the available data.
Your report should be maximum 5 pages + an Appendix including the (clean and annotated!) analysis code
We will evaluate the reports based on the following points
- Formulation of research question(s) (10%)
- Choice, justification and presentation of the analysis methods (20%)
- Presentation of results in text (20%)
- Presentation of results in figures/tables (20%)
- Interpretation/conclusions (20%)
- Clarity of analysis code (10%)
If you have any (technical) questions, please write me an email and I will respond as quickly as possible.
oystein.opedal@biol.lu.se
Good luck!
Dataset
The following data are from an experiment in which Penstemon plants from three populations were grown in an outdoor common garden. A number of phenotypic measurements were taken, and reproductive success was scored as a measure of fitness.
The data comprise the following variables:
Pop Population of origin
Block Experimental block
flwsize Flower size in mm
FlwDate Flowering date (days since 1. January)
height Plant height in cm
InflorLen Inflorescence length in cm
flowers Number of flowers
aborted Number of aborted flowers
fruits Number of fruits produced
fitness Fitness (a composite measure based on fruit number and weight)
openflws Number of simultaneous open flowers
tscent Total floral scent emission (ng per liter per hour)
The following line will read the data (adjust the file path to where you keep the data file):
dat = read.table(“penstemon.txt”, header=T)