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Wanna be a Data Analyst and aspiring for it

@Gaurav1024 wrote: I want to be a data analyst only. Data Science is very vast. So, knowledge of which topics in Data Science is required to be a good Data Analyst along with Tableau to grab a job? I...

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Machine learning definition

@jpzaidan wrote: The gloassary machine learning definition: “In these techniques, we expect the algorithms to learn by itself wiithout being explicitly programmed.” when I have an logistic regression...

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Does multicollinearity effects in Naïve Bayes?

@chaitu wrote: Hi, Can anyone please help me with this? Does multicollinearity effects in Naïve Bayes? If yes/no then why? Thanks, Eeswara Chaitanya Posts: 1 Participants: 1 Read full topic

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What is the default num_estimators in scikit-learn's RandomForest?

@chaitu wrote: If we do not define number of trees to be built in random forest then how many trees random forest internally creates? Posts: 4 Participants: 3 Read full topic

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Where can i read Winners solutions (code and explanation) to all the past...

@omkarsawant30 wrote: Where can i read Winners solutions (code and explanation) to all the past hackathons on Analytics Vidhya to learn from the grandmasters? Posts: 3 Participants: 3 Read full topic

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Jobs For Freshers In Analytics?

@anubhav77 wrote: Hello everyone, I am a B.tech Cs fresher looking to start my career in Big Data Analytics. To acheive my goal i am undergoing a 6 months training in Big Data Science where i will be...

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Data Science - New Career shift

@vijeshbr wrote: Hi, I have 8 years of experience as production support DBA and do not have experience in BI or data warehousing. Is it good option for me to chose Data science and transit my career ?...

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If the linear regression coefficient of a predictor is 0.54 then what does it...

@chaitu wrote: I had this question in my assignment ‘If the linear regression coefficient of a predictor is 0.54 then what does it mean?’ Can anyone help me with this? Posts: 2 Participants: 2 Read...

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What would be the expected salary for Data Science fresher with 10 Years...

@ravitejapavan290 wrote: Hi All, I am currently working as php developer from 10 years with more than 12Lakhs ctc per annum . I want career shift to Data science field . What challenges i should face...

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What is a Public-private split?

@kimunge1 wrote: Hi guys. who can explain to me in details the concept of Public and private split ? Thank you Posts: 3 Participants: 2 Read full topic

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Error: KeyError in the below attahced code

@amresh.giri wrote: Bigmart sales problem I’m doing the above project in python 3. I’m getting this error - KeyError. Can anyone please explain me the solution to the above problem ?...

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Need help on Office Project

@vajravi wrote: I need some help in one of my office projects. I am building a loan level default probability based model for 24 months (cumulative model) . So, I followed an approach of developing a...

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Add new column to test dataset

@constantinembufung wrote: I am working on the project Digit Recognizer, i divided my train dataset into train and test in the ratio 75 and 25 percent. Now my test dataset does not contain the column...

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Which type of regression to use?

@akshay.kotha wrote: Hi there, My main motive is to derive and understand the causal inference of few(>10) independent variables on (5) dependent variables. Most of my independent variables are...

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Which algorithm is best suited for this

@sanjukta_mitra wrote: I tried KNN algorithm and getting accuracy of about 48%, with Multi-nominal logistic regression the first iteration didn’t run properly and stopped after 100 iteration.(I...

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Something is wrong; all the Accuracy metric values are missing:

@SupriyoB wrote: Hi This is the code snippet in R. This is for lord of the machines hackathon. My code snippet :- x= training[,-c(1,2,3,4,6,15)] y = training$is_click fit_svm <- train(x,y,method =...

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Neural Networks - error clarification

@mosrihari wrote: Hi Everyone, I am new to Deep Learning and I tried some code with Deep Learning techniques to predict the categories of the text. Please find the specifications of dataframe below....

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How to cleanse place of work in dataset of 300K records

@jrout wrote: I have table where one column is specific to place of work. As you guys know, in a place of work the string(/place) can be anything (that is alphanumeric character + special chars). In...

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What does mode(x).mode[0] mean?

@AnnaList wrote: from scipy.stats import mode #Determing the mode for each outlet_size_mode = data.pivot_table(values=‘Outlet_Size’, columns=‘Outlet_Type’,aggfunc=(lambda x:mode(x.dropna()).mode[0]))...

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Is there a seperate Campaign Data file?

@kiranved09 wrote: I have got my hands on Test, Training and the Sample Submission Data file. In the description they have mentioned about a campaign description file. How do we get that? Posts: 2...

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