Working with ahp in r studio
@raghudevdas wrote: How to create a ahp file(yaml format) in r studio Posts: 2 Participants: 2 Read full topic
View ArticleHow to use VARMAX with categorical, multivariate time series
@roberto33 wrote: I have two different time series: timestamp location location is lat/long/floor – these are “significant location changes” from a mobile device, and not every few meters or anything...
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Gradient descent confusion
@harshitmohan wrote: Hi friends, When I do a gradient descent implementation, I see that it converges (what I think!) for a particular value of alpha and #of iterations. However, keeping alpha same,...
View ArticleHow to handle 'NaN' Values in Dataframe
@sachin123456 wrote: Hi, I have requirement that- Import data from one excel to another application I have imported the data to dataframe. putting each cell data to application using REST API. when I...
View ArticleWhich class the logistic regression's probabilities belong to?
@vijaypalmanit wrote: Hello All, When we do the prediction on glm model we get the probabilities, suppose for first record I got the probability of 0.7 and my class labels are: spam and no-spam. How...
View ArticleShort text classification - training data
@mattkallo wrote: I am trying to train a text classifier to identify stock market related news titles and facing some issues with prediction of unseen data. Its a binary classifier (2 classes- stock...
View ArticleAnalysis of Wine Quality dataset
@vishabh wrote: I have a Dataset which explains the quality of wines based on the factors like acid contents, density, pH, etc. I am attaching the link which will show you the Wine Quality datset....
View ArticleCollinearity versus Correlation
@AarushiS wrote: Hi, What is the difference between “high collinearity between independent variables” and “high correlation between independent variables” . Which one do i want and which one should i...
View ArticleAbout "Tutorial on 5 Powerful R Packages used for imputing missing values"
@RobertoMLacoba wrote: Hi! I was trying to run MICE package, explained here. In one of the last sections of MICE package explanation, I think I found a code error. You can read: "Since there are 5...
View ArticleError - unable to read the csv file in pandas
@rishabh7293 wrote: after importing panda i am unable to read the csv file import pandas as pd df=pd.read_csv(“data.csv”) the error i am getting is :- FileNotFoundError Traceback (most recent call...
View ArticleCourse on predictive modeling
@jayanthd wrote: Do analytics Vidya offer any course specially on predictive modeling. Posts: 2 Participants: 2 Read full topic
View ArticleClass Imbalance
@swarup17 wrote: Incase of class imbalance how can we say that the accuracy is more baised towards a specific class? Posts: 1 Participants: 1 Read full topic
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Complete Guide to Parameter Tuning in Gradient Boosting (GBM) in Python
@nirvgandhi wrote: While searching for the steps or technique to optimize gradient boosting performance, I came across to the article mentioned in the link. Analytics Vidhya – 21 Feb 16 Complete Guide...
View ArticleRegarding variable selection for algorithms
@amodaks wrote: Hello Friends, I wanted to know is there one method of variable selection for algorithms like linear, logistic regression , random forest , support vector machine…or different methods...
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Correlated Variables in PCA
@raka747 wrote: Analytics Vidhya – 16 Sep 16 40 Interview Questions asked at Startups in Machine Learning / Data Science This article consists of interview questions based on machine learning, data...
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Extracting data belonging to a day from a given range of dates on a dataset
@bgarcial wrote: I have a dataset with a date range of January 12th to August 3rd of 2018 with some values: The dimensionality of my_df DataFrame is: my_df.shape (9752, 2) Each row data have a...
View ArticleSimpson's Paradox in Regression - Solution?
@manoj09990 wrote: Hi Everyone, I am working on a Linear Regression model where my output variable is ‘Salary’ of individuals based on 2 input variables, 1). Department 2). Job_Level. When I fit a...
View ArticleArtificial Intelligence, Machine Learning and Big Data - A Report
@datascience221 wrote: Artificial Intelligence and Machine Learning are the hottest jobs in the industry right now. 2018 has seen an even bigger leap in interest in these fields and it is expected to...
View ArticleCareer guidance
@Kishank wrote: hey hope you all are doing. I want to begin my professional career in Business analytics. Need some career guidance regarding the same. Hoping for a positive response. Regards Kishan...
View ArticleGetting error while executing NLP on Kaggle
@saurabh0108 wrote: NLP Example Please check the couple of errors at the bottom of this page and help me overcome them. Thanks Posts: 1 Participants: 1 Read full topic
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