questions/data-science
You need two variables, (x and y). ...READ MORE
You can use the merge function with ...READ MORE
Use external markers by creating icons using ...READ MORE
Feature selection is based equally upon logic ...READ MORE
Baye’s theorem is useful for determining the ...READ MORE
Hi@akhtar, Installing a package simply means downloading the ...READ MORE
cyl is a continuous value field, so ...READ MORE
Easily you can do it: drops <- c("V2","V4") df1[ ...READ MORE
ROC curve is basically used to reflect ...READ MORE
Hey Satya, Hope you're doing great. Would you please ...READ MORE
Whenever we want to have NA in ...READ MORE
Use the lubridate package to do this: d$departure ...READ MORE
R Programming is the best mechanism for ...READ MORE
Hi.. Just for sorting, you can use arrange ...READ MORE
Hi, You can perform your requirement in steps. ...READ MORE
Hi, Use html_attr()/html_attrs() function to extract the attribute ...READ MORE
You can build 2 types of contingency ...READ MORE
If you have your file located locally ...READ MORE
R provides support to create subscripts. For ex. ...READ MORE
Hi, If you share a real database, then ...READ MORE
Create data frame and then implement as ...READ MORE
Write R code as below temp = data ...READ MORE
Use the RCurl library, its always a ...READ MORE
Supervised Learning is applied when we have ...READ MORE
@Uday, dummy variables can be created using ...READ MORE
Hey Sudhanshu, Hope you're doing great. It was pleasure ...READ MORE
Dear Raghu, Please let us know are you ...READ MORE
43 I advise employing the caret package's dummyVars ...READ MORE
Hi ratna, For suppose DF is the DataFrame ...READ MORE
We can use the ! operator inorder ...READ MORE
Hi, I use a dataset called airquality ...READ MORE
Dear Koushik, Hope you are doing great. The hadoop ...READ MORE
Hi Kalyan, 1. Create hcluster using hclust for example, object <- ...READ MORE
Raw data is the data that hasn’t ...READ MORE
You can use cat() instead of writeLines(): ...READ MORE
You can use the sample_n from dplyr to select ...READ MORE
You might want to checkout the stringdist package, e.g.: library(stringdist) toMatch ...READ MORE
Try this: url2 ...READ MORE
The factor() function provides the 'levels' attribute ...READ MORE
You can use the exists(): > exists("toFindUnknown") [1] FALSE > ...READ MORE
In certain cases, Hadoop Streaming is beneficial ...READ MORE
Try this: h = [g for n, g ...READ MORE
Rattle is a popular GUI for data mining ...READ MORE
Try this , Employee %>% group_by(EmpID) %>% mutate(SumSalary ...READ MORE
Maybe you could do something like this. ...READ MORE
Dear Deepika, Hope you are doing great. You can ...READ MORE
Hi Kajal, I don't its possible to create ...READ MORE
Work on projects of your own. It’s tough, ...READ MORE
Hey, It's quite simple, use the accumulate function ...READ MORE
Convert the field as factors and use ...READ MORE
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