Evaluation metric in recommender systems?
@rishabh835 wrote: Hi All, I just went through the recommender systems article and have a question about the evaluation metric ‘Recall’ and ‘Precision’. Recall is defined as TP/TP+FN. Example: If a...
View ArticleGradient class activation mapping for regression tasks
@poornima47 wrote: Hi, I’m trying to visualize and create heatmaps using saliency, grad cams, etc for my age prediction task. I found the blog post on visualization very useful but I see that the...
View ArticleTraining multiple models in Same GPU simultaneously and How to setup AI lab
@Arihenth wrote: 1.) Can we train multiple models in the same GPU (Eg: tesla V100). what are the ways to do it? 2.) How to set up an AI lab with a server which has 2 Tesla V100 16 or 32 GB how many...
View ArticleCalling stored procedure for the automated report in Qliksense
@niana wrote: Hi…I am running a 5 input parametrized stored procedure for the automated QLIK Sense report. Now I tried to execute this for the QLIK Sense but I couldn’t find any relevant resource...
View Article12 Useful Pandas Techniques in Python for Data Manipulation- #3 – Imputing...
@markus94 wrote: Errors: #First we import a function to determine the mode from scipy.stats import mode mode(data[‘Gender’]) /anaconda3/lib/python3.7/site-packages/scipy/stats/stats.py:245:...
View ArticleWhen Manhattan distance is preffered over Euclidean distance
@purnima82 wrote: In the KNN algorithm, there are various distance metrics that are used. By default or mostly used is Euclidean distance. So my question is what is the advantage of using Manhattan...
View ArticleHow to scrape all the data from dl table in manner way..like(dt, dd)
@sourav07 wrote: here is the link of website…https://www.kimovil.com/en/where-to-buy-oppo-find-x I want to scrape all the information about the phone…eg. description, camera, hardware, connectivity...
View ArticleContinous Dependent variable modelling
@koyeli728 wrote: I have around 23 independent variables for regressing against a battery life prediction. I have used linear regression and came to Adjusted R2 of around 0.79. I applied Random Forest...
View ArticleMulti label classification
@rkpatanjali wrote: Currently am working on multi-label text classification.am planning to use word embedding using spacy and train the model .I have very less data points(300,8) and has upto 7 labels...
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Not updating leaderboard
@xavier35 wrote: Hi, I have submitted several solutions and received a valid score, but I still appear at the end of the leaderboard with a nan score. Here there are my submissions and the leaderboard...
View ArticleHow are weights calculated for linear regression?
@karan88 wrote: I have a confusion that how the weights (a and b) for equation (y= a+bx) are calculated in linear regression Machine learning Algorithm - by solving the linear equation a = mean (y) -...
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Faq chatbot using python
@sai420 wrote: I am a beginner and am trying to make a chatbot using Analytics Vidhya – 21 Jan 18 Building a FAQ Chatbot in Python – The Future of Information Searching Chatbots are starting to take...
View ArticleCareer switch from teaching to analytics
@naishal_thakkar wrote: Hi, I have 2.5 years of work experience in the teaching field(mathematics, statistics for competitive exams). In order to make a transition in the field of Analytics, I have...
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Tutorial to perform Data Exploration using Elastic Search & Kibana -Python
@shivani23 wrote: Analytics Vidhya – 15 May 17 Tutorial to perform Data Exploration using Elastic Search & Kibana -Python This tutorial will help you perform exploratory data analysis using...
View ArticleFeature Extraction from Text
@hemashekarsantosh wrote: Hi | We are trying to build Binary Classification Model - we have payment reference column which is coming from CAMT statements (Bank to Customer Statements). We are trying...
View ArticleUser Name Change
@narendraa.singhshekh wrote: Hi @kunal, It;s a humble request to change my user name. If you can chnage this it will be more helpful for me my new user name will be “iamnarendrasingh” Best, Narendra...
View ArticleHow to merge two CSV file by a specific column using python?
@narendraa.singhshekh wrote: Hey all #python members, I am working in a project and I found that I am generating 2 CSV files from my server and both 2 files contain one column name same. So, is there...
View ArticleIs it possible for you to predict the stock markets
@hemanthreganti wrote: If you have an idea on how to remove uncertainity from the stock markets, your suggestions are welcome Posts: 1 Participants: 1 Read full topic
View ArticleHow can i make sample submission file
@raj77 wrote: i have created the model with accuracy 94. how can i test the result and make sample submission file for that. Posts: 1 Participants: 1 Read full topic
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Imputing missing data
@karthikr2910 wrote: Imputing data The link provided above explains the imputing the missing data. And am unable to understand that why they use mode[0] in mode(data['Gender']).mode[0] Kindly help...
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