« first day (445 days earlier)      last day (1703 days later) » 

1:55 AM
0
Q: How to combine multiple rows in dplyr randomly

PeterI have a data set that looks like this: Id Type Tag 1 a blue 1 a green 1 b yellow 1 b red 2 a black 2 a grey 2 b purple 2 b cyan 3 a orange 3 a yellow 3 b red 3 b blue ... I would like to sample 2 rows per distinct Id value, combining those rows ...

 
 
6 hours later…
7:51 AM
1 message moved from Data Explorer (SEDE)
 
 
7 hours later…
2:25 PM
-1
Q: Ideas to derive new column or eliminate a column for Logistic Regression problem related to binary classification

PavanI am working on a Logistic Regression problem to identify the leads that result into a student conversion for candidature. I have 2 columns in the dataset 'Last Activity' and 'Last Notable Activity' with almost similar type of values except different percentage conversion based on value types. Al...

 
1 message moved from Data Explorer (SEDE)
 
 
2 hours later…
5:01 PM
-2
Q: Kmeans Clustering

CIGDEM SENA DENIZI am currently working on market segmentation in R in combination with profiling. I perform kmeans function by kcca function (flexclust package) on a scaled dataset which I called datafinal. clusta <- kcca(datafinal, k = 2, save.data= TRUE, family = kccaFamily(which = "kmeans", dist= "euclide...

 
1 message moved from Data Explorer (SEDE)
 

« first day (445 days earlier)      last day (1703 days later) »