Ncessary skills for MS in data science?
@manoj099 wrote: I want to pursue MS in data science, but I don’t know the what are the things to be done to get into one of the elite universities and also what the University expects from the...
View ArticleIs it required to remove correlated variables before performing PCA?
@adityaroyal54321 wrote: Is it required to remove correlated variables before performing PCA, I don’t think it is necessary but it is mentioned as necessary in question10 of "40 Interview Questions...
View ArticleCreate a report by using macros
@pawan23 wrote: SAS Macro Test.pdf (145.9 KB) Hi all, i started learning SAS recently and i’m stuck at a situation of producing a summary report with a single macro. Please find the file in the above...
View ArticleAlgorithm to use for below problem
@abraham30 wrote: Hi Expert, I am learning algorithm through self tutorial. I am not able to decide which algorithm can be used for below scenario. Could you please help me. Suppose a patient took...
View ArticleForecasting using ARIMA after series has been transformed
@v.vicky000 wrote: Hi, I have transformed my series using log and diff to make it stationary and now I want to forecast using the model but the otuput is coming as transformed i.e. original series was...
View ArticleHow to find internship in Data Science?
@Priyanka2 wrote: I have completed Jons Hopkins University’s ‘data science specialisation’. How can I find internship/job in the field of data science or analytics? What salary can I expect? Posts: 1...
View ArticleHow to make final submission, if code file is not submitted already
@munitech4u wrote: Hi, If we hit the maximum submission limit, how to set the final submission, if code file is not submitted already? I can’t find any option to upload code file against the...
View ArticleSome error occured. Please try after some time
@chiragbhattad wrote: Every time i try to submit my solution for the McKinsey hackathon, i receive the error: “Some error occured. Please try after some time.” What is the problem? Please resolve it...
View ArticlePredict values in Multidimensional Scaling (MDS) in R
@irambach wrote: Hi, I’m trying to use multidimensional scaling (MDS) in R. Can I predict new values on test set based on the values that I receive from my training set? I’m looking for something...
View ArticleUnable to find the dataset
@mansiag wrote: I was following this blog to get started into data science. But I am unable to find the dataset in the link mentioned in the blog.Please help. I really want to do that. Posts: 2...
View ArticleHow to Find 90% or 95% conf Interval , and a suitable length L
@arunak1 wrote: I am trying to implement an model that finds a 90% or 95% conf Interval , and a suitable length L ( ie number of measures in sample space) to narrow down the confidence interval to 1.3...
View ArticleDifference between Gradient Boosting and Adaboost?
@raviteja1993 wrote: What are the main differences between Adaboost and Gradient Boosting Posts: 5 Participants: 3 Read full topic
View ArticleHow to make sure my data is ready before choosing any algorithm for modelling...
@akshay.kotha wrote: Looking for an intuitive answer rather than an answer mentioning technical activity(doing some outlier treatment, missing value treatment,…) to be done. Also, at the outset if I...
View ArticleWhere can one access the code for the lead solutions to McKinsey's hackathons...
@filipponeri wrote: Dear Sir, thank you for your amazing work in popularizing data science among the interested researchers. As a academic research, I was very impressed by the hackathons that you...
View ArticleData Linking in R
@ajay_prakash wrote: Dear All, Is there is any way to link an files in R and can analysis on them like working with Cygwin command like Wc-l, split etc. Thanks Posts: 3 Participants: 2 Read full topic
View ArticleOverfitting on a model
@swarup17 wrote: Correct me if I am wrong, Overfit is the issue where the train model learns by heart without learning the patterns which affects the test to generalize the data set. If it is so then...
View ArticleClik here to view.
13 Common Mistakes Amateur Data Scientists Make and How to Avoid Them?
@datascience221 wrote: Hi All, The attached PDF infographic shows some of the most common mistakes I have seen aspiring data scientists make (I’ve made some of them myself). Along with the mistakes, I...
View ArticleMachine learning
@Shrikantai wrote: Suppose I have a classification problem. How do I know when to use which algorithm to use like whether to use cat boost, lightgbm, xgboost, random forest, SVM etc. If my dataset has...
View ArticleClik here to view.
How to improve use of data augmentation
@arpitkh96 wrote: Hi I am training a model to detect arrowheads from drone aerial view as shown in the image below. I had a very small dataset of just 50 images. So I performed data augmentation by...
View ArticleNeed help working on data science projects
@winter022 wrote: Hi All, I am new to Analytics Vidhya and Data Science and this is my very first post on this site. I am a working professional working on different databases from last 8 years and...
View Article