Why is SQL a pre-requisite to get started in Data Science?
@albela_angur wrote: Hi, I have done quite a few courses in Data Science / Machine learning. All of them suggest that I should have a basic knowledge of SQL, but they don’t mention why is it...
View ArticleSample RFP ( Request For Proposal) ? Regarding Data analytic and Business...
@anoopellickal wrote: I need sample RFP ( Request For Proposal) ? Regarding Data analytic and Business Intelligence. to understand how the requirements from the customers are coming and to learn about...
View ArticleHow to open .tbl file in R?
@sandyyy wrote: Dear all, I am a newbie in R. My question is, How to open a file with .tbl extension in R? I opened with tbl <- read.table(file.choose(),header=TRUE,sep="\") and the file is giving...
View ArticleWhat is a P value and it's significance in hypothesis testing
@venkatkumar229 wrote: Hi, I am facing a difficulty in understanding the P-value and it’s significance. Can some one please explain me what is p-value and it’s significance. Also why we will reject...
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R Programming: How can I separate column names in to different columns to...
@kynda wrote: I have a big data matrix and each column has named with multiple information and separated by an underscore. e.g.: Genotype, Tissue, Time, Treatment, and Replication...
View ArticleHow to get data from twitter without a search query
@drishti wrote: Is there anyway to get data from twitter as in all tweets in or near a Geographical area with out search query restrictions? Using library GetOldTweets. Posts: 4 Participants: 2 Read...
View ArticleWhat are 'the-state-of-art' techniques used for Stock Price and Return...
@Shaz13 wrote: I have been working on problems related to finance and machine learning. Until now I have used Gradient Boost Trees and LSTM algorithms for predictions. Are there other techniques used...
View ArticleIs the hype for Big Data dead?
@vegas wrote: It seems big data are not so popular subject anymore. I really wonder is Big Data and its technologies today a solution to handling large-scale data? Or do we have better technology and...
View ArticleGDPR compliance
@kunal wrote: "We use cookies on Analytics Vidhya websites to deliver our services, analyze web traffic, and improve your experience on the site. By using Analytics Vidhya, you agree to our Privacy...
View ArticleResponse variable column missing from test file
@abhishek891 wrote: Hi all, How to resolve this issue.please help.Item_Outlet_Sales column is missing from Test_u94Q5KV.csv file thanks. Posts: 1 Participants: 1 Read full topic
View ArticleHow Word2Vec work?
@premsheth wrote: Hi Friends, I am trying to understand mechanism of Word2Vec for word embedding. I gone through from following links:...
View ArticleUnderstanding the data in Information_train/test.csv
@bhvbhushan7 wrote: Can someone help me out with structuring the data, because the data is all messed up, I am not able to find a way to structurize it. Posts: 2 Participants: 2 Read full topic
View ArticleAbout Business Analytics Course
@pankaj_2311 wrote: Hi, I read about MicroMasters Business Analytics Program, which is providing certification. Course dusration is of 7 months and offered by pearson institute. Certification will...
View ArticleSVR: Predicted values are way off from the actual ones despite high r-squared...
@aryan_singh1993 wrote: I am stuck on a SVM regression problem. Please help. I have trained a SVR model using scikit learn that predicts the future price of bitcoin by using its closing price on...
View ArticleIs the output value of different statistic model logistic regression and...
@GsWong wrote: Hi I am new here, try do research some of the answer tru Internet but still can’t find a good answer.So here goes: I am training a few models using python and split my data set into A...
View ArticleHow to proceed with Innoplexus competition?
@mahesh51 wrote: I have worked on regression and classification problems but don’t have any idea how to start with this type of problems (Innoplexus hackathon). Can someone pls suggest something, how...
View ArticleError while reading a csv file in pandas
@james23 wrote: Whenever i compiled the code above i get the following result : SyntaxError: (unicode error) ‘unicodeescape’ codec can’t decode bytes in position 2-3: truncated \UXXXXXXXX escape....
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Dummy variables, is necessary to standardize them?
@bgarcial wrote: I have the following dataset represented like numpy array direccion_viento_pos Out[32]: array([['S'], ['S'], ['S'], ..., ['SO'], ['NO'], ['SO']], dtype=object) The dimension of this...
View ArticleHow to calculate sample size for conducting experiments?
@akshay.kotha wrote: Hi all, I found this sample size calculator - http://www.raosoft.com/samplesize.html?nosurvey. Understood that this is useful to carry out an experiment on a smaller sample size...
View ArticleBest Institute in Delhi for learning R / Python
@Kom wrote: Can you please suggest best institute in Delhi for offline classes in R, Python? I would like to request past students of institutes to please recommend genuine institutes offering quality...
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