Category Archives: Learning
Bot
Twitter bots is something I like a lot. Up until now, I haven’t ventured into making one myself, which is a bit unfortunate because earlier, the process of getting an R/W access for a bot was much easier. Anyway, thanks … Continue reading
Using OpenRefine
OpenRefine, formerly known as Google Refine and even more formerly as Freebase Gridworks, is a versatile tool for cleaning and exploring data. There is no shortage of online material, as you can see from the extensive list on the OpenRefine … Continue reading
Friends in a graph
As my second Coursera MOOC, I’ve recently started Social Network Analysis. I don’t have enough time this spring to follow it all through, but anyway. One of the first assignments was to look at the Facebook network. Because I have … Continue reading
Querying and plotting linked data with R
Aalto has recently introduced (in Finnish) part of its data as open linked data. The visualization playground offers some sample queries, and a nice and easy way of visualizing results with Google Charts Tools. Lately, I have been practising the … Continue reading
Jälkipyykillä
Courseran kurssin sivut sulkeutuvat huomenna. Pitää hetki miettiä, onko sieltä syytä ottaa mitään talteen. Videoita ei tarvitse, koska ne löytyvät YouTubesta, mutta olisiko jokin kalvosetti säästämisen arvoinen? Omalta tililtä voi nyt myös hakea todisteen kurssin läpäisemisestä . Luultavasti lisään siitä … Continue reading
R-kieltä MOOC-tyyliin
Vaikka verkossa on ollut mahdollista etäopiskella kurssimuotoisesti jo ties kuinka kauan, ensimmäinen oma MOOC -kokemus on aivan tuore: Courseran neliviikkoinen Computing for Data Analysis, opettajana Roger D. Peng. Muutama irtohuomio. Kurssille ilmoittautuneita oli yli 30.000. Ilmeisesti iso osa ei kuitenkaan … Continue reading
