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Leaderboard scoring - clarification needed

@aktakukac wrote: Hello, I am quite confused on the scoring methodology of loan prediction (and btw Bigmart as well). I have a final score of 0.8125 and still lagging behind. Some people with 0.0...

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Logistic Regression Results Counterintuitive

@Arindam wrote: All, I ran a logistic Regression on a set of variables coded by me in R both categorical and continuous with a binary event as dependent variable. Now post modelling, I observe a set...

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Private leader board ranking in mini data hack

@ved wrote: @kunal @ManishDoes private leaderboard show actual ranking? I mean their scores are not ordered so I am confused. Posts: 2 Participants: 2 Read full topic

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AIC values in ARIMA in R

@nehak wrote: I ran auto.arima and got 134 as AIC value.when i ran ARIMA as per the ACF and PACF graphsi gave orders and got -730 as AIC value.which value is the best?Also in auto.arima when...

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Tweets labelled positive negative neutral data set, pls help find

@SandyStep wrote: Twitter sentiment analysis only may be done if big training data is available. Data set from http://alt.qcri.org/semeval2015/task10/ is very small , it is joke... Anohter one with...

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Project Ideas On Machine Learning

@gau2112 wrote: I want to do my minor project in Machine Learning. Can anyone suggest some good ideas about the project? I currently use R. Posts: 2 Participants: 2 Read full topic

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Uses of facet_wrap and facet_grid

@harry wrote: I am studying about plotting in R using ggplot while studying I came across two function name as facet_wrap and facet_grid. Their syntax are facet_wrap(~variable,ncol) ## the variable in...

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How to plot more than one plot in R?

@harry wrote: I am currently studying about plotting techniques in R while studying I came across one problem is that if I have more than one plot and I want to plot all the simultaneously how this...

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ACF plot in ARIMA

@nehak wrote: I have run ARIMA in R.I am receiving ACF and PACF plots attached.Please guide as to the order which they suggest.Also whether series seems to be stationary?After running adf test p value...

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Need help in understanding data- Item MRP vs Item Outlet Sales scatterplot is...

@aktakukac wrote: Hello Analysts out there! I created some interesting scatterplots - might be helpful to discuss with you guys. Scatter of Item MRP vs Item Outlet Sales with Outlet Type coloring...

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How to simulate ELO ratings system for cricket in R/Python

@hackers wrote: hello, I came across the below piece somewhere where they have used Elo rating for predicting IPL winner. Pasted image692x421 88 KB I want to know how such a thing can be implemented...

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About teams in Date your Data

@Pavan_Kumar_Kattamur wrote: Whats with the teams showing in Date your Data Hackathon Posts: 1 Participants: 1 Read full topic

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Basic requirements for Business Analytics professional

@krishnachaitanya11 wrote: Hi, I am Krishna Chaitanya. I am a commerce graduate and want to get into the job profile of Business Analytics. I have a question that do maths required to become a...

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How to manipulate (best package) NoSQL data format in R

@a1492dc wrote: Hi, I'm trying to manage data in a NoSQL format. Example: ID Date Rule1 2016-02-03 A:20;B:302 2016-02-01 A:203 2016-01-01 B:50;C:10 I would like to be able to go through my data like...

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Time Series Forecasting with Categorical Variables

@krishnamreddy wrote: I am not able to provide the exact values of the dataset due to data privacy issues. The variables I am using in my dataset are: Year (2011 to 2014), X (Categorical Variable), Y...

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Need help for understanding colClasses in read.csv instruction

@syed.danish wrote: xgboost4.png695x219 5.33 KB need the explanation for colClasses parameter in read.csv instruction.thanks in advance. Posts: 2 Participants: 2 Read full topic

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Machine Learning Datasets

@Akash_Haldankar wrote: Can anybody suggest large datasets for binary classification (fraud detection or any other topic would also be fine) Posts: 1 Participants: 1 Read full topic

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Accuracy of point and Interval estimator

@sid100158 wrote: I am currently studying about the Statistical Interference in which I have found that there are two types of estimation. Point Estimation - A point estimate of a population parameter...

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Uses of t-distribution and and normal distribution

@sid100158 wrote: I came across two types of distribution the normal and t distribution. Normal - The distribution in which the mean is 0 and the standard deviation is 1. t- The t distribution is a...

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Learning path for numpy, SciPy, scikit-learn, deep learning

@shan4224 wrote: Hi.. What is best learning path (books, MOOC etc) to learn numpy, SciPy, scikit-learn, deep learning Thanks Posts: 1 Participants: 1 Read full topic

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