Quantcast
Channel: Data Science, Analytics and Big Data discussions - Latest topics
Browsing all 4448 articles
Browse latest View live

How to get an option to join slack live chat?

@ASHISH_17 wrote: Hi, I am unable to join slack live chat and getting an error : already in team. Tried resetting the password as well, Kindly paste the link over here. Thanks Posts: 1 Participants: 1...

View Article


Dealing with special values in prediction problem

@subhamchaudhuri wrote: Suppose there is a ratio variable presents (say payment-balance ratio in typical credit risk scorecard problem). This variable can take numeric values, also there will be some...

View Article


CPBAE course by IIML

@piyush.jhamb4u wrote: How’s CPBAE course of IIM Lucknow, any review comments? How’s the industry interaction? Posts: 1 Participants: 1 Read full topic

View Article

Stationarity check of data using Dickey fuller test

@Devi93 wrote: I have performed linear regression using OLS and done dickey fuller test. I have taken log transformation of data and then differenced, and on plotting them (on excel) positively shows...

View Article

One query related to career transition

@rumsinha wrote: Hi, I have total of 15 years of work experience in Oracle and ERP. I am doing PGP BABI from Great Lakes 2017 Batch. I am looking for good opportunities in the field of analytics. How...

View Article


Displaying Alphabets with help of Property

@sinhanitish2 wrote: I am trying to display Alphabet using property from CSV file(x-box,y-box,width,high,onpix,x-bar,y-bar,x2bar,y2bar,xybar,…). Could you please provide me the code in R to display...

View Article

Hackathon: Cross-sell: target the right customer - issue with submission data

@j.akhil.j wrote: Hi, I wanted to submit my results for the hackathon…but there seems to be some issue… We are expected to estimate the probability of a customer to opt for a personal loan (when...

View Article

Data Mining Concept Tenchnique

@dasankur wrote: Hello everyone… can anyone help with a bimodal dataset or any idea Missing value prediction In Bimodal data? Posts: 1 Participants: 1 Read full topic

View Article


Which machine learning model is best for this scenario?

@kausar wrote: I want to predict the time in (0-23 hour) for each user. exa- user1 response at 14 hour like that. I have many predictor features like Profession, age, salary, Housing_Status,...

View Article


Choosing online MS in Data Science or Analytics

@LionNYU wrote: Dear friends, I have a masters in risk management plus CA, CFA & CQF certifications. Working globally 20 plus years… Now i am planning to go for my second master degree in Data...

View Article

Saving and Reusing model

@ayyz wrote: Hi I am newbie in DataScience and doing a Churn Prediction as part of my academic work. Following is how i am thinking of how my predictor should work. I have 9 months of transaction...

View Article

PGP BA-BI or BDA from Great lakes

@Touseef87 wrote: Hi Kunal, I have 8 years of experience in etl and datawarehousing with SQL and Informatica being my forte. Iam looking to make a career switch to analytics focusing on analytics on...

View Article

Combine categorical variables into factors to form clusters

@surya.ssh wrote: As I have around 72 different categorical values which are Nominal or Ordinal in nature. I need to combine them into factors to form clusters. But I studied that factors can be...

View Article


How do we apply PCA on a highly sparse matrix?

@moose wrote: How to deal with a highly sparse matrix. It has 2000 columns and 100 rows and I want to apply PCA on it. I tried the package irlda in R and am getting an error. Posts: 1 Participants: 1...

View Article

Inventory Forecasting using R

@HUNAIDKHAN2000 wrote: I want to forecast the inventory using R. I am having variables Date. product id and number of units i want to forecast it using R . Any suggestion or realtime example is highly...

View Article


Hyperparameter tuning XGBoost on GPU

@Bolaka wrote: I need to reduce the time that RandomSearchCV takes to perform tuning of hyper parameters for XGBoost. It takes around 36 hours for ~ 5 lakh training set with 300 features for tuning to...

View Article

Need Answer for one basic problem on Linear Regression

@prakharjain00 wrote: Assume you have data on weekly prices for 52 weeks for a Shampoo for two competitors A and B. Assume that these prices have been standardized to mean=0 and variance = 1.You want...

View Article


Parametric vs Non Parametric models with examples

@amitkumaryada wrote: please give me all the list pf parametric and non parametric model elaborate it for k means clustering vs knn… Posts: 1 Participants: 1 Read full topic

View Article

Interpret rfImpute output

@niadro wrote: Hi, I’m new to Random Forest.I’m running random forest code in R 3.4.1. I’m taking the code from here I used following code iris.imputed <- rfImpute(Species ~ ., iris.na) & I’m...

View Article

Required help in World Debt Statistics in R or MiniTab

@adidata wrote: Need help in a project for World Debt Statistics data set. Link: https://data.worldbank.org/data-catalog/international-debt-statistics Please e-mail: adityaholkar92@gmail.com for...

View Article
Browsing all 4448 articles
Browse latest View live