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How to predict class labels using xgboost in python when objective function...

@pagal_guy wrote: hello, I am using the below parameters: parm = { 'objective':"binary:logistic", 'booster':"gbtree", 'eval_metric':"error", 'max_depth':8, 'min_child_weight':50, 'eta':0.2,...

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How geom_point differ from geom_jitter in ggplot2 package?

@harry wrote: I am plotting a scatterplot using the ggplot2 package in R .I have created a layer for geom_point for the creation of scatter plot....

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When I submit answer my score didn't show

@Geru_San wrote: I tried submit my answer then process panel pop up several seconds. Then disappeared with nothing happen. Anyone know how to fix this. Posts: 3 Participants: 2 Read full topic

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Importing dataset

@amogh_gupta1 wrote: I have 125 mb xlsb file and I want to import it in R. Let me know how to do it. Posts: 1 Participants: 1 Read full topic

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Regarding Date Variable in Redate your Data

@ajayram198 wrote: Hi This is regarding the contest redate your data. http://datahack.analyticsvidhya.com/contest/re-date-your-data-learning-contest Here there are 2 files train.csv and test.csv , In...

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Keeping insignificant variables in a model

@Surya1987 wrote: Hi All, Let's say we have one target variable and 10 predictors. However while building the model we found that there are only 2 significant variables. In such cases Is it feasible...

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What does the Error : factor Loan ID has new level mean

@Rishabh0709 wrote: Hi ,I started working on this yesterday.I started with simple glm() function like , m1 <- glm(Loan_Status ~ . -Loan_ID , data = train_1 , family = "binomial") test_1$Loan_Status...

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Mini Hack - Excel

@Sukanya wrote: Excel is everywhere you look in the analytics world, since it provides enormous capacity to do quantitative analysis and has a very intuitive interface. Considering Excel to be an...

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Predictive models to be used

@prabhat_dash1 wrote: Hi Team, I have a few queries on predictive models as can be outlined as below: A client from FMCG industry wants to develop a CRM capability. It has worked together with a...

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Brand Engagement Score

@prabhat_dash1 wrote: Hi,I am Pravat, an analytics profession at an MNC. I have a problem determining a consumer engagement score-either at a brand level or across brands: Suppose I have some...

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Plausible error in RMSE calculation by server

@shayakroy1002 wrote: I just want to point out that there is something wrong with the way the RMSE is being calculated. Initially when I made my model I forgot to impute my test set.Hence a lot of NAs...

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Best practices for data preprocessing and its resources

@jalFaizy wrote: Hi, Could you suggest how should one approach the data preprocessing problem? What should we look for when cleaning the data? What is the normal pipeline for data preprocessing?...

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Suggest ways to enhance the resume for a data science career

@jalFaizy wrote: What are essential skills for a data science job? What could you do as a side work along with normal studies (or job) to increase value of one's CV? Posts: 1 Participants: 1 Read full...

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Comparing Models Performance

@Surya1987 wrote: Initially I built a model for Loan Prediction like...

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How to select the optimum number of dimensions after applying LSA in R

@pagal_guy wrote: Hello, I am trying to use lsa for document classification.I want to be able to extract the appropriate number of dimensions from the matrix after LSA as we do in PCA. Here is what I...

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Finding Thresold in logistic regression

@Surya1987 wrote: If I am not wrong, for a good predictive classifier both specificity and sensitivity should be more. So I need to know the cutoff where it is happening. Then I can predict the...

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How to plot the cluster of documents and words after LSA in R

@pagal_guy wrote: Hello, I am trying to do LSA in R from a tutorial which contains plots generated in python.After LSA a plot has been generated: Pasted image818x595 37.1 KB I want to generate a...

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What does Multidimensional Scaling after LSA depict

@pagal_guy wrote: Hello,In the below image a 3d semantic space has been created: Pasted image1085x662 34.4 KB #The code for this: library(scatterplot3d) fit <- cmdscale(dist.mat.lsa, eig = TRUE, k...

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Modelling techniques

@arfat wrote: Good morning,what are the different modelling techniques(like logistic regression,linear regression,..) that are used after data pre-processing,if possible please provide link. also...

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Online/Part time courses providing placement assistance

@amal_kmr_singh wrote: Hi @kunal, Can you please help in providing details on any Online/Part time courses providing placement assistance to working professionals. Thanks Posts: 1 Participants: 1 Read...

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