xyplot

How to plot lattice and ggplot2 graphs with FastRWeb

April 10, 2012 | ronan

With print() If you are an advanced R user, you probably know the lattice and the ggplot2 packages. They allow you to plot elegant graphics with less code (Hocking, 2009 and Sueur, 2010). If you know these two packages, you should hardly use plot() for your graphs. If you read my article ... [Read more...]

Plotting grouped data vs time with error bars in R

October 31, 2011 | Daniel Hocking

This is my first blog since joiningR-bloggers. I’m quite excited to be part of this group and apologize if I boreany experienced R users with my basic blogs for learning R or offendprogrammers with my inefficient, sloppy coding. Hopefully writing for...

[Read more...]

Test Difference between Two Proportions & Plot Confidence Intervals

August 11, 2011 | Kay Cichini

..an illustrative example for testing proportions and presenting the results.the data: number of indigenous and alien plant species with and without vegetative reproduction. Hypothesis: The proportion of species with vegetative reproduction is differen...

[Read more...]

Lattice-xyplot without Border/Box, with Axes at Bottom & Left Side Only, with Custom Ablines/Grid & Axis-Labelling

August 4, 2011 | Kay Cichini

Here's how you do a lattice-xyplot without border/box, with axes at bottom & left side only, with custom ablines/grid & axis-labelling Read more »

[Read more...]

Analysis of Covariance – Extending Simple Linear Regression

April 28, 2010 | Ralph

The simple linear regression model considers the relationship between two variables and in many cases more information will be available that can be used to extend the model. For example, there might be a categorical variable (sometimes known as a covariate) that can be used to divide the data set ...

[Read more...]

Simple Linear Regression

April 23, 2010 | Ralph

One of the most frequent used techniques in statistics is linear regression where we investigate the potential relationship between a variable of interest (often called the response variable but there are many other names in use) and a set of one of more variables (known as the independent variables or ...

[Read more...]

Summarising data using scatter plots

April 18, 2010 | Ralph

A scatter plot is a graph used to investigate the relationship between two variables in a data set. The x and y axes are used for the values of the two variables and a symbol on the graph represents the combination for each pair of values in the data set. ...

[Read more...]

Investigation the relationship between two variables using a scatter plot

October 13, 2009 | Ralph

The relationship between two variables can be visually represented using a scatter plot and will provide some insight into the correlation between the variables and possible models to describe the relationship. There are different ways to produce scatter plots in R making use of either the base graphics system, the ... [Read more...]

xyplot

Never miss an update! Subscribe to R-bloggers to receive e-mails with the latest R posts. (You will not see this message again.)

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)