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How to update elo ratings after each season in R
@hackers wrote: Hello, I am trying to use the elo ratings system to generate ratings and based on that predict the probabilities of winning.Below is the code I am using: elo(ipl,status = NULL,init =...
View ArticleWinterHoltz model and learning material in R
@ved wrote: Can anybody share how to tune parameters in winterholtz model.It would be great if anybody would share link related to winterholtz model. Posts: 1 Participants: 1 Read full topic
View ArticleWhat SAS certifications am I best suited for?
@rajatsharma.june wrote: Hi guys! First time posting here. So Im a fresher with 7 months of work experience in a analytical firm (less advanced/deep dive projects here) and I'm looking for a shift to...
View ArticleAlgorithm for segmentation of categorical variables?
@shivanihmcl wrote: IF segmentation has to be done on the basis of gender, age or any other categorical variable, which algorithm should be used. Any example on this? Posts: 1 Participants: 1 Read...
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Why z-score is used instead of a t-score for confidence Interval of...
@harry wrote: I am currently studying about confidence Interval of any parameter of a population like mean and proportion while studying I came across a two formula one for mean and other for...
View ArticleDifference in coord_cartesian and scale_y_continuous
@harry wrote: I am currently trying to plot a boxplot using a ggplot2 package of R. I am plotting a factor variable on the x-axis and continuous variable on the y-axis. I have used two type of layer...
View ArticleWhy in null hypothesis we take only single value?
@sid100158 wrote: I am studying about hypothesis testing in which there are two types of hypothesis one is null hypothesis and other is alternative hypothesis. null - the parameter in which we are...
View ArticleIs there a 100% chance if null hypothesis is true then parameter must be true
@sid100158 wrote: I am currently studying about hypothesis generation while studying it I came across two type of hypothesis generation one is null hypothesis and other is alternative hypothesis.I...
View ArticleNeed help on Python
@dada_kishore wrote: Hi, This might be a very naive question but appreciate if anyone could help me on this.I wanted to learn python but I'm confused how to start with like should I install anaconda...
View ArticleAdvantages of One-Hot-Coding for GBM or XGBoost
@Aarshay wrote: Hi AVians, Many people are confused with this topic (including me) and I would like to discuss this further. The issue is that people say that tree-based models have the capability to...
View ArticleHow to be a consultant Data Scientist?
@saubhik wrote: Hi all, This is my first post in this forum. I am a Master's student in Quantitative Economics, interested in making a career in data science/analytics. I was wondering of making some...
View ArticleHackathon Private LeaderBoard Score
@gau2112 wrote: I was practicing one of previous hackathons mini-data hack. I am getting my score on public leaderboard. So I don't know whether I have improved or not from my last week's performance...
View ArticleBuilding models using split date
@shaw38 wrote: Hi everyone! I'm new to Data Science and this community. I have metrics(say, Lines of Code), concerning a project that lasted for 15 years=Jan 2000-Oct 2015. I also have a 'date' column...
View ArticleSAS vs SAP Functional as a career choice
@mzaidmech wrote: I am a Btech ( Mech) , with 2 years of exp in Functional Testing and I am confused choosing b/w SAP functional module( PP, APO,PLM ) or SAS as a career path.Could you please...
View ArticleAnalytics Interview Question
@amrita4friends wrote: Hi Everyone, Can you please help me in answering one question : Suppose there is a departmental store with four brunches for eg: Big Bazaar has four stores. Total sales from...
View ArticleDocument Classification
@Akash_Haldankar wrote: Can anybody suggest good learning materials for Text/Document classification. I want to start from scratch Posts: 1 Participants: 1 Read full topic
View ArticleHow to extarct hours and minutes from the factor time varaible
@raghava_r4u wrote: Hello All , Greetings!!! I am working on employee data in R-studio , check in and check out is the variables Date i got separately i done format with thatI got the 2 varaible class...
View ArticleCorrelations for more than 30 variables in 'R'
@manalykum wrote: Hi, When there are more than 30 variables in a dataset, how can we view the correlations using COR or Pairs or Pairs.panels statements? because, it's giving error "Error in...
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Lift Gain Calculation
@Akash_Haldankar wrote: LiftnGain.png843x277 9.31 KB Can anyone help me understand how cells at Lift@Decile column are calculated. I have understood till Cum%Pop Posts: 1 Participants: 1 Read full topic
View ArticleIs there any limits for independent Variables count w.r.to Observations count
@raghava_r4u wrote: Hello All, Greetings!!! Is there any method to calculate the count of independent variable required w.r.to observations to improve R^2 value in the linear regression I know that if...
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