plyr - ldply : Split list, apply function, and return results in a data... musangwin

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The package I am focusing on today is the plyr package. I am just going to barely dip into this package, as I am only go to cover two functions from the package (laply and ldply). I am covering these as I will be using them in a later lesson how to perform sentiment analysis on Twitter data.

Getting Started. Grab Google Drive streaming links (redirector.googlevideo.com/videoplayback?..). You can use it for video players (jwplayer, videojs, plyr etc).

From the creators of Vime & Plyr. A playground for testing our player and layouts.

plyr builds on the built-in apply functions by giving you control over the input and output formats and keeping the syntax consistent across all variations. It also adds some niceties like error processing, parallel processing, and progress bars. The basic format is 2 letters followed by ply().

Introduction The base R system provides lapply() and related functions, and the package plyr provides alternatives that are worth considering. It will be assumed that readers are familiar with lapply() and are willing to spend a few moments reading the plyr documentation, to see why the illustration here will use the ldply() function. The test task will be extraction of latitude (and then both ...

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