Assignment4

K-means clustering with 3 clusters of sizes 50, 48, 52

Cluster means:
  Petal.Length Petal.Width
1     1.462000    0.246000
2     5.595833    2.037500
3     4.269231    1.342308

Clustering vector:
  [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
 [38] 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
 [75] 3 3 3 2 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 3 2 2 2 2
[112] 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2
[149] 2 2

Within cluster sum of squares by cluster:
[1]  2.02200 16.29167 13.05769
 (between_SS / total_SS =  94.3 %)

Available components:

[1] "cluster"      "centers"      "totss"        "withinss"     "tot.withinss"
[6] "betweenss"    "size"         "iter"         "ifault"

[1] "integer"

   
    setosa versicolor virginica
  1     50          0         0
  2      0          2        46
  3      0         48         4

Here i Applied average Subjectivity and Polarity scores of subreddits, they are grouped together using k means clusteing. Looks like an outlier i might have to look at is Apple, movies, prosic and programming.

Some subreddits that seem to have grouped together is

World news, philospohy and askcience
machine learning futorology and machining learning and science