time

Doing away with “unknown timezone” warnings

November 8, 2011 | songpants

Timezone stuff can really drive you NUTS - at least if you’re sitting in front of a German Windows-Box This is what I used to do to set my tz: And I always wondered why R would throw “unknown timezone” warnings: Someday I found out that setting tz via `... [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...

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Shipping Mix

October 20, 2011 | john.nelson

With a fresh pile of historical global shipping data, we came back to the flow visualizations that illustrated tangible supply lines that facilitate global trade. This time we've isolated two types of shipping vessels, cargo and tanker, in order ...

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Statistique de l’assurance STT6705V, partie 12

December 2, 2010 | arthur charpentier

The final course (since courses end this week in Montréal) can be watched here and there. The drawings from the course can be downloaded here (including last week's). First, to come back on last week's course , we considered Lee-carter model, i.e.... [Read more...]

Date and Time in R

June 15, 2010 | C

The following are a few date and time functions that I needed to figure out early on when working with R.We will start when we are... the current system date.Sys.Date()Notice that this function returns a Date object.class(Date)A string in this format i...

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time

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