Many GPS devices and apps have the capability to track your current position via GPS. If you go walking, running, cycling, flying or driving, you…
View More Stay on track: Plotting GPS tracks with RCategory: R
Export Data Frames To Multi-worksheet Excel File
A few weeks ago I needed to export a number of data frames to separate worksheets in an Excel file. Although one could output csv-files…
View More Export Data Frames To Multi-worksheet Excel FileR: Image Analysis using EBImage
Currently, I am taking Statistics for Image Analysis on my masteral, and have been exploring this topic in R. One package that has the capability…
View More R: Image Analysis using EBImagePlaying with the ‘playwith’ package
Playing with the ‘playwith’ package 23mar10 Abilities of R for creating graphics is great, but one thing I always missed is the possibility of creating…
View More Playing with the ‘playwith’ packageUse SQL queries to manipulate data frames in R with sqldf package
I’ve covered a few topics in the past including the plyr package, which is kind of like “GROUP BY” for R, and the merge function…
View More Use SQL queries to manipulate data frames in R with sqldf packageManipulating Data Frames Using sqldf – A Brief Overview
By Josh Mills Introduction For those who are learning R and who may be well-versed in SQL, the sqldf package provides a mechanism to manipulate…
View More Manipulating Data Frames Using sqldf – A Brief OverviewProgramatically rename files (or do other stuff to them) in R
In order to do something to a bunch of files at once, we first need a vector which contains the file paths of just the…
View More Programatically rename files (or do other stuff to them) in RHow to convert specific time format to timestamp in R?
This question already has an answer here: read csv with dates and numbers with R statistical software 3 answers I am working on “Localization Data…
View More How to convert specific time format to timestamp in R?Time Data Types
Contents Time and Date Variables Time Operations The time data types are broken out into a separate section from the introductory section on data types.…
View More Time Data TypesUsing R for Time Series Analysis
Time Series Analysis This booklet itells you how to use the R statistical software to carry out some simple analyses that are common in analysing…
View More Using R for Time Series Analysis