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Milestones while learning data science

@nikhiljain wrote: Hi, I am willing to build my profile as data scientist, I started learning python for data science. However I am not able to measure progress or speed of learning. So I am willing o...

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Type=response in glm function in R

@VijaySai wrote: Can anyone please explain me the difference between the below statements? QualityLog = glm(PoorCare ~ StartedOnCombination + OfficeVisits + Narcotics, data = qualityTrain, family =...

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Changing datetime format

@ASHISH_17 wrote: I am constantly getting a ValueError that date time format doesn’t match. I want all the date values to change into the format of YYYY-MM-DD. As there are some values in the format...

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K-Nearest Neighbors (KNN) Classification Problem

@kafikhan wrote: Dear Experts, I am using KNN algorithm to predict Machine Failor. I have several sensor data & I have to predict machine fault. Here I uploaded the data-set to Dropbox & Code...

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Neural network produces biased predictions on training data

@eafpres wrote: I have been working on a neural network regression problem. The problem is in time series, so the training data precede the test data in time. In some cases, over the range of the...

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Incremental Learning Algorithms

@Rajaram1986 wrote: Hi All, How to do incremental learning while building a model. Do we have a specific framework on this? Ex: Let us say i have built a classification model on 50 GB of data. The...

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Bayesian Model forecasting is going of from what we are expecting

@keerthi8280 wrote: We are having 5 years of monthly data of Quantity and we are trying forecast for next 2 years how the quantity will be ordered from one particluar customer. Model we used is bsts,...

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Aggregation of Discounts

@madhuri.maddini wrote: I am trying to predict sales quantity of an item based on their attributes. Discount is one of those attributes. The problem is I am having different discounts in same period...

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Need to map(create dataframe) my test prediction (test_pred) with actual data...

@KumarP wrote: I have actual dataset (Mydata). after cleaning/model building , I have predicted my result with test data (test_matrix). Now I need to map(create dataframe) my test prediction...

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There is no discussion board for the time series Jetrail hackathon

@j.akhil.j wrote: hey, can you create a discussion board for the Jetrail hackathon, like you have for the other hackathons…would become a place to discuss related issues Posts: 1 Participants: 1 Read...

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What should be the frequency when creating time series object in R for a...

@SSingh wrote: I have a time series data based on each day of week. Ex: 7 different time series for Monday, Tuesday, Wed… till Sunday. Since its occurring once in a week, I have set the frequency=1...

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Help needed in Azure ML?

@Manoj wrote: Hi , I’m creating regression model in Azure but the issue is i need to run the same regression models with almost 100 dependants / Target variables , instead of creating 100 branches in...

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Noob needs help with data preprocessing, feature selection and feature...

@kakashi wrote: I have completed all the courses on datacamp. I can use numpy pandas scikit learn matplotlib and bokeh i.e I know the syntax and what it does. But I’m still clueless as to when to use...

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How to use variable with exponential values for classification problem in r

@manishceeri wrote: Dear Experts and Data Scientist, I need to know the detail method or reference to solve or learn about following questions: a) I am working on classification problem of predicting...

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IV Categorical Variable For Logistic Regression

@Blackberry wrote: Hi , I have gone through Logistic regression - i covered almost ROC curve to chose threshold, confusion matrix , AIC,AUC, overall accuracy , sensitivity,specificity ,precision...

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Data manipulation

@sambid9988 wrote: a is a character variable(ID) and b is some numerical value. How to get a column( c ) where it is sorted based on value of b for the same ID? Posts: 1 Participants: 1 Read full topic

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Web scraping in R

@Thej wrote: How to store data in excel through web scraping in R Posts: 1 Participants: 1 Read full topic

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How to learn Cognos Independently

@SJHassan wrote: Like MS Power BI and Tableau can one can learn Cognos by downloading it and follow any book. Please guide Posts: 1 Participants: 1 Read full topic

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Search keyword classification/categorization using python

@msrs911 wrote: I’m working on analyzing real time search keywords data. I would like to know how to categorize/classify the keywords? I’ve gone through the article “6 Practices to enhance the...

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How does factor works in R-glm

@miotot wrote: Hi Gurus, As I am new to this tool and data analytics in general, just want to understand how the factors work in R (or probably in more general sense). For example, I have this set of...

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