Variability analysis in R - I: Genetic parameters
The blog is first part of a series of three blogs related to variability analysis using R software. The blog demonstrates utilization of variability package available in R for getting genetic parameters like genotypic and phenotypic variance, coefficient of variation, heritability (broad sense), genetic advance & genetic advance as a percentage of mean for more than one traits in one line of code. (Reading time 14 min.) Step-I Arrangement of data in Excel file The data consist of 28 genotypes, 2 replication and 7 traits. First arrange genotypes followed by replication and than seven traits. The file is named vardata . You can download the excel file . Have a look at snip of data. Step-II Import the excel data file in RStudio On the upper right quadrant in RStudio there is tab of import dataset. Click on it and choose From Excel option. Browse for the excel file and click on import. After successful import one can see the dataset in Global Environment by the name varda...