questions/data-science
There are multiple functions for this purpose ...READ MORE
Use discretize function to convert a continuous variable ...READ MORE
Yes, you need vectors to create arrays. Arrays take vectors in ...READ MORE
Paste function concatenates vectors together. Syntax: paste(v1,v2,sep = ...READ MORE
The difference are - A list holds different ...READ MORE
Use installed.packages() or find.package() function and pass the ...READ MORE
Use list[index] = NULL The list value will ...READ MORE
Hey, See the below example, > superstore$Order.Date[1] [1] "2014-11-11" > seq(superstore$Order.Date[1],length.out ...READ MORE
Check out file.exists() function!! The function file.exists() returns a ...READ MORE
@ch, Add colClasses attribute to read the statement ...READ MORE
@ch, A few functions only work with an ...READ MORE
There are 2 ways to add names ...READ MORE
There is no attribute to set the ...READ MORE
Hey, I don't think you can make ...READ MORE
@ch, Cut divides the range of x into ...READ MORE
It's very simple. list(1:4) creates a single element(vector) whereas ...READ MORE
@ch, You can add easy buttons to add ...READ MORE
Use unlist function to convert the list ...READ MORE
Use the below code to update the ...READ MORE
@ch, Use rev function to reverse R objects ...READ MORE
@ch, Use the minimap to show a side ...READ MORE
See this image for ways to export ...READ MORE
In simple words, NULL represents the null or an empty object ...READ MORE
How to zip a folder with r ...READ MORE
@ch, Use format.Date function to convert one format ...READ MORE
@ch, You can add $. , / using ...READ MORE
Install stringi package and use stri_reverse(). > install.packages("stringi") > ...READ MORE
@ch, Using sort function. sort(l,decreasing = T) > l = ...READ MORE
Use date function or timestamp function to ...READ MORE
Use print and paste command to format ...READ MORE
Use edit function like below and pass ...READ MORE
Use index within [] and provide an ...READ MORE
Use cut functions or group_by function. group_by functions ...READ MORE
~ operator is used in R for ...READ MORE
You can either convert a data frame ...READ MORE
Hey, you forgot to mention support, confidence ...READ MORE
If the classifying variable data type is ...READ MORE
Hey, rbind needs the number of columns ...READ MORE
Use heatmap() to create heatmaps. > heatmap(as.matrix(mtcars)) See below ...READ MORE
How to choose the best variables for ...READ MORE
Hey, Convert the Class.variable to factor then it might work. random_forest ...READ MORE
Refer to this article here, https://stats.stackexchange.com/questi ...READ MORE
Hi, Use sample or sample.split function to create ...READ MORE
hi, Read the text file and save it ...READ MORE
I just found there are 2 functions file.rename() ...READ MORE
Hey, # take input from the user num = ...READ MORE
hey, Add elements into list as below. list = ...READ MORE
Hi, Use html_attr()/html_attrs() function to extract the attribute ...READ MORE
Use dbGetQuery to create a table by ...READ MORE
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