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Venturing into data science from biology/life sciences research. how good.?

@Shanu2016 wrote: Hi everyoneI have a degree in computer science and masters in bioinformatics. Later on I took up laboratory research in biology( infection research with animal models) with a little...

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LabelEncoder() - How to reverse it?

@rajiv2806 wrote: Hi all, I am currently practicing the practice problem in the Hackathon, Experiments with data. I am little confused in the last part. le = LabelEncoder() for var in...

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Book recommendation: Scalable machine learning for bigger data

@azimulh wrote: I am aware of the theory of stochastic gradient descent, which is a faster way of developing linear regression. Through this we can have an 'optimized implementation' of linear...

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Regression analysis

@kthouz wrote: Hi everyone! I have a dataset of 10k rows and 350 columns. 97% of all independent variables are standard normally distributed (they all have mean 0 and unity standard deviation). The...

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Python DecisionTreeClassifier - Something Wrong..!

@rajiv2806 wrote: I have almost implemented the same code that is presented in the workshop tutorial on the given dataset. But when i implement the final "DecisionTreeClassifier " i am not getting the...

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Need Help in increasing accuracy 'No' Class

@danidarshit wrote: I have a biased Data Set - It contains more than 100 independent variables, with one dependent variable (Yes or No). I have unbalanced classes, e.g. 98% 'Yes' labels vs 2% 'No'...

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Experiments with Data - Query

@chaituchaitanya28 wrote: Hi Team, I am doing Experiments with Data workshop using R, But when i give the the following command to display missing values table(is.na(train)) I am getting an error...

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Question on NLU

@Anurag20 wrote: Hi All ,I have analytics problem in hand any direction or clue would be much appreciated.I have being few pdf and need to figure out with if a person has done crime or not. If we read...

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When can I give the Statistics Skill test II

@Srishtigarg3 wrote: I am registered but I am not able to find the link to give the skilltest right now.When and how can I give the test?Can I give the test through or do I need a PC?...

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How to find trailing and leading words of a word using R?

@mathan_leo wrote: Hello AVians, I have a text document which has a million words. Now, I need to know how to find trailing and leading words of a word using R. For example, If I want to find out the...

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Do you think M.Sc Data Science fresher can participate in Hackathon

@skjainmiah wrote: Actually the fresher won't know much about the subject but is he really eligible for hackathons. If he want to participate then what would think and when should he can participate ....

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Statistics skill test 2

@hbhargava2 wrote: 1.Is there possibility to check the mcq questions as i missed many of them.2.Answer to the questions. Posts: 2 Participants: 2 Read full topic

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Time Series Interview Questions

@hbhargava2 wrote: Hi All, Do any one has time series interview questions as it is a vast topic and there is a lot to read.Some interview questions would help to revise it.Thanks in advance Posts: 2...

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CV vs RepeatedCV

@pjoshi15 wrote: Can somebody please explain the pros and cons of using repeated cross-validation (k-fold) over single cross-validation ? Posts: 1 Participants: 1 Read full topic

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Did God use Machine Learning?

@naani wrote: Dear AV Community, I came across this https://www.quora.com/Did-God-use-machine-learning-algorithms-to-create-humans Consider sharing your opinions. Thank you. Posts: 3 Participants: 3...

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Road map for learning Image analytics

@karthe1 wrote: Hi All, I am new to the image analytics and processing. Is there any road map for learning this? Is it right to start with computer vision or should i need to know something even...

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R data manipulation to find out driver static/moving status from lat long...

@ParindDhillon wrote: Dataset 1 - Contains driver_id & its location every few minutesDataset 2- driver_id & timestamp when ride request sent to driver Now i need to figure out whether driver...

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What is the maximum dataset size for XGBoost?

@c3josh wrote: So the question is two fold. Firstly, what is a reasonable upper bound for the number of training samples for XGBoost? Secondly, what is a reasonable upper bound for the number of...

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Help in SAS projects

@Afsana wrote: Hi ..I am learning SAS. Can anyone provide me some easy to advance level projects based on SAS to test my skills and learning progress in SAS. Kindly help please.. Posts: 1...

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MS+Phd Combo Program in Analytics

@rahul.jadhav82 wrote: Hello, I am posting this on behalf of those who are interested in higher education in Analytics. Are there any Universities in India, US or any other country providing MS+Phd in...

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