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What are the job responsibilities of a data analyst who do not have much...

@chirag.palan wrote: Hello all, i am beginner in the field of the data analyst.Previously I was working as mathematics faculty for the competetive exams like IIt JEE. Currently i am looking for the...

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Confirmation for data analysis coronavirus

@sedqatullah wrote: Hello to all, I have run the below program codes in the python 3.7 and i got the following errors, can anyone explain to me the solution of below codes ? confirmed891×528 65.3 KB...

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Group_by command

@viswabharathy wrote: outletidentifiercount <- bgm.df %>% group_by(bgm.df$Outlet_Identifier) %>% tally() Error in UseMethod(“group_by_”) : no applicable method for ‘group_by_’ applied to an...

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Practical resource: Statistical modelling for business problems

@greg917 wrote: Hey all - I am trying to find a cohesive / broad resource that illuminates how statistical models have helped to solve real business problems in different disciplines (e.g. marketing,...

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Scraping website

@_teems wrote: i am currently working on how to use scrapy to scrap news from a website…http://www.who.int / for example …i have a particular topic to scrap but i’m having problem on how to go about...

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Batch Normalization in Data Science

@shivambhatele wrote: Hello Everyone, I am here in this community and I am learning data science. So I have doubts about batch normalization. I have faced one interview and the interviewer asked me...

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Help to Choose right ML Technique

@ankit524 wrote: Good evening all I want guidance on my project which is related to condition based health monitoring of electrical motors. Data from different IOT sensors are coming to database in...

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Solving Case study : Optimize the Products Price for an Online Vendor (Level

@chiranjeevi2 wrote: Analytics Vidhya – 4 Jul 16 Solving Case study : Optimize the Products Price for an Online Vendor (Level... This analytics case study is meant to optimize the product price using...

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Positive Skewed Distribution

@nikunjgattani wrote: Hi, I have a data having Positive Skewed Distribution. Can someone suggest different regression techniques, that can work on this distribution Posts: 1 Participants: 1 Read full...

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Test data not found in "Complete Guide to Parameter Tuning in XGBoost with...

@aapkadost2020 wrote: I am reading the blog https://www.analyticsvidhya.com/blog/2016/03/complete-guide-parameter-tuning-xgboost-with-codes-python/#comment-152553 . but i could not able to find test...

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Multivariate Time series Modelling

@srnesara wrote: I have a multivariate time series of weather data. It contains 14 variables. I first checked for stationarity using Johansen’s test. All the eigen values returned were <1....

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Trivial question related to KFold

@amitbisht51 wrote: Hi, In one of the AV article: KFold Tutorial AV I tried to implement it. But I am facing some issue. When running the below code: def printing_kfold_score(x,y): fold =...

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Comprehensive Guide to Text Summarization using Deep Learning in Python...

@amirai14301 wrote: Hello , I’m new to Data science and after i read the great article of ARAVIND PAI. And I wonder how i can execute TXT file and not CSV file , as a dataset. Thank you for the help....

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Learning Curve in machine learning

@varun002 wrote: IMG_20200419_0255081080×1005 67.8 KB Please help me understand this learning curve… Y axis have accuracy score and X axis have number of training examples Posts: 1 Participants: 1...

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Help to create dataset

@kiran7579 wrote: How can c code be converted into Vectors? (Dataset), please suggest any suitable approach. Posts: 1 Participants: 1 Read full topic

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Value Error in LogisticRegression

@agarwalpragati wrote: While implementing logistic regression code m getting valueerror. Can anyone ls help me with it? Screenshot (148)1366×768 177 KB Posts: 1 Participants: 1 Read full topic

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I want to. Delete some levels from dataset

@rathiradhika64 wrote: I want to delete levels of variable in dataset .I used droplevels tag but it not work Posts: 1 Participants: 1 Read full topic

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Starter online hackathon:- Can anyone tell me that how to predict the test...

@akshay wrote: Can anyone tell me that how to predict the test data set values after training a model and submit it online hackathon. Posts: 1 Participants: 1 Read full topic

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Data science career options for 17 years experience in IT maintenance and...

Hi, I have 17+ years of experience in IT maintenance & support. I have Delphi, SQL, Unix skills. I latest exposure is in Operations - Entertainment industry. I felt my career reached dead end due...

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Understanding the Data: how to combine two files with different number of...

I need to combine two data sets - training and test sets, which have a different number of columns (12 and 11, respectively). But in version R v.3.6.4. as has showing on course “Big Mart Sales...

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