In the second half of 2018 I decided to retrain as a data scientist and studied with flashcards intensively for example to learn the basics of probability as shown in the examples above. I then moved to Spain and relied heavily on Anki to cram new vocabulary, which I learnt in order of frequency from lists such as that compiled by Gabriel Wyner and the Routledge frequency dictionary of Spanish. After an intensive winter studying I seem to have given myself a spring and summer off from studying while I was working as a tour guide around Europe. I first really got into Anki when cramming vocabulary for my German C1 exam when I was living in Berlin. Below is a histogram charting my hourly usage per month. If you also answer correctly for a particular card the next time you see it, the interval of time until you see it again will be even longer (probably around a week in this case).Įxample Anki card (answer) My Anki usage over time ¶ĭepending on the period of my life (if I'm learning a new language or taking a course) my usage increases or decreases, so I thought it would be interesting to see how my usage has evolved over time and during which periods I used it the most. If you got it wrong it will come back within the same study session, otherwise it will come back at a later date, in this case in 2, 3 or 4 days depending on how easy you found it. You then reveal the answer and tell Anki if you got the question wrong or got it right and it was hard, good or easy. When you see the question you say the answer out loud, or on the mobile app there is an option to write the answer on a scratch pad. If I neglect my cards during a particularly busy week this can result in grueling sessions of several hours over the weekend.īelow is an example anki card, first the question display and below the question and answer display. If you don't you have double the work to do the next day. The app is highly addictive because cards build up in a backlog which you need to try to clear every day. Questions which you repeatedly get wrong keep returning with high frequency, while questions that you repeatedly get right return less and less frequently. Anki then tests you on the cards you have made. The basic premise is that you format material that you want to learn into flashcards with short questions on one side and short answers on the other side. If you are not aware of spaced repetition learning I highly recommend you check it out. It is not an exaggeration to say that it has revolutionised the way I study. ![]() ![]() An introduction to Anki ¶Ībout four years ago I discovered spaced repetition learning and the flashcard app Anki. In this post I'll briefly introduce Anki flashcards, show an analysis of my usage over time and give instructions and example python code for how to extract data from Anki's SQLite database and load it into pandas.
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