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GRPH

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I dont understand what is wrong with my solution for GRPH problem. If I am reading it correctly, for each sequence in the file if length 3 suffix of that sequence matches length 3 prefix of sequences after it, then it is a match. Am I understanding this correctly?
from Teja · 4 years & 346 days ago · 0 followers · 2 comments

Augusto Ribas

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Hello. I am haveing a problem with Mendel first law question, i made a function on R language, and with the example the result returned is correct, but i cant return a correct result for the question, where can i check my results? Is it possivel to se what should be the solution for the questions i got wrong?
from Augusto Ribas · 4 years & 265 days ago · 0 followers · 2 comments

Can't figure out what is wrong with REVP algorithm

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I know we are supposed to just keep trying, but I think I'm out of ideas. I tried to do a manual spot check on one of the datasets where my solution was marked as incorrect, and it seemed like everyone I checked was correct. The format seems fine. Just curious if anyone has been stuck on REVP and had a eureka to share. It seemed like a straightforward question, but maybe I'm missing a subtle point. Thanks!
from Richard Griffith · 4 years & 79 days ago · 0 followers · 2 comments

In this problem, must the k-mer appear in the text?

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The problem states "Find the most frequent k-mers with mismatches in a string." This could mean find that string with the most matches of hamming distance d or better, or it could mean, find that string /in the text/ with the most matches...
from · 3 years & 340 days ago · 0 followers · 2 comments

Is there any way to get in touch with other users?

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Is there any way to get in touch with other users?
from Endre Galaczi · 2 years & 316 days ago · 0 followers · 2 comments

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Hi, I have been inactive with my lotrus28 account for a long time. But I've decided to restart using Rosalind. Sure I couldn't recall the password but i couldn't even remember the e-mail to recover it. All my current e-mails are not in your DB so it's quite likely I used some 10minute site to register. Could you please remind me the e-mail I used? Or could you even send me the recovery message to lotus28@mail.ru? Thanks a lot, Fedor Galkin
from Fedor · 1 year & 113 days ago · 0 followers · 2 comments

Student feedback

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Is there an option to give feedback to my students from within my virtual classroom? I would like to click on their solution, and then be able to give the student some feedback on their solution. I am not aware that that is possible right now.
from Sandra Smit · 322 days ago · 0 followers · 2 comments

GRPH - "some prefix" - minor wording issue

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The wording "some prefix" implies it can match more than one. However, for each string, there is only one unique prefix of length k. Or am I misunderstanding something here? Thank you. Alex.
from Alex Vi. · 5 years & 31 days ago · 0 followers · 1 comment

How was Rosalind built?

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Is an existing program like Django used or is it built from scratch?
from Daniel Cook · 4 years & 363 days ago · 1 followers · 1 answer & 1 comment
Rosalind is based on Django and Twitter Bootstrap frameworks with many customizations / modifications.
from Rosalind · 4 years & 358 days ago

So what is the Dark Matter of Life badge?

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Do only the (two) people that have it get to know what it is?
from J.J. Montgomery · 4 years & 328 days ago · 0 followers · 1 comment

How do I use MathJax in the comments to show expressions utilize Tex syntax

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e.g. $${n \choose 2}$$
from Matthew Tadd · 4 years & 289 days ago · 1 followers · 1 comment

Lia question

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When you ask "The probability that at least N Aa Bb organisms will belong to the k-th generation of Tom's family tree" do you mean the probability that N AaBb organisms selected from all of the individuals that have been bred up to generation k belong to the kth generation or do you mean the probability that the kth generation has N AaBb organisms? Or do you mean something else?
from jstatnekov · 4 years & 210 days ago · 0 followers · 1 comment

I believe the answer for "Counting Unrooted Binary Trees" example is incorrect ...

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The answer given for "CUNR Counting Unrooted Binary Trees" example is 15. I believe it should be 5. 15 is the answer for the number of rooted trees given 5 texa.
from Chi-Cheng Lin · 4 years & 186 days ago · 1 followers · 1 answer & 1 comment
Thanks for your feedback!  We are glad you have it working now.
from Rosalind · 4 years & 179 days ago

New Questions?

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How often do you guys upload new questions onto ROSALIND?
from explorer.dsh · 4 years & 122 days ago · 0 followers · 1 answer & 1 comment
Usually each week, but not we're working on major release all the time. Please hold on and soon you'll see something awesome.
from Rosalind · 4 years & 112 days ago