#used packages library(tidyverse) # for data wrangling library(stringr) # for string manipulations library(ggbiplot) # pca biplot with ggplot library(Rtsne) # implements the t-SNE algorithm library(kohonen) # implements self organizing maps library(hrbrthemes) # nice themes for ggplot library(GGally) # to produce scatterplot matricesData The data we use comes from Kaggle and contains around 18,000 players of the game FIFA 18 with 75 features per player.
glimpse(fifa_tbl)
## Observations: 17,981 ## Variables: 75 ## $ X1 <int> 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12... ## $ Name <chr> "Cristiano Ronaldo", "L. Messi", "Neymar... ## $ Age <int> 32, 30, 25, 30, 31, 28, 26, 26, 27, 29, ... ## $ Photo <chr> "https://cdn.sofifa.org/48/18/players/20... ## $ Nationality <chr> "Portugal", "Argentina", "Brazil", "Urug... ## $ Flag <chr> "https://cdn.sofifa.org/flags/38.png", "... ## $ Overall <int> 94, 93, 92, 92, 92, 91, 90, 90, 90, 90, ... ## $ Potential <int> 94, 93, 94, 92, 92, 91, 92, 91, 90, 90, ... ## $ Club <chr> "Real Madrid CF", "FC Barcelona", "Paris... ## $ `Club Logo` <chr> "https://cdn.sofifa.org/24/18/teams/243.... ## $ Value <chr> "€95.5M", "€105M", "€123M", "€97M", "€61... ## $ Wage <chr> "€565K", "€565K", "€280K", "€510K", "€23... ## $ Special <int> 2228, 2154, 2100, 2291, 1493, 2143, 1458... ## $ Acceleration <int> 89, 92, 94, 88, 58, 79, 57, 93, 60, 78, ... ## $ Aggression <int> 63, 48, 56, 78, 29, 80, 38, 54, 60, 50, ... ## $ Agility <int> 89, 90, 96, 86, 52, 78, 60, 93, 71, 75, ... ## $ Balance <int> 63, 95, 82, 60, 35, 80, 43, 91, 69, 69, ... ## $ `Ball control` <int> 93, 95, 95, 91, 48, 89, 42, 92, 89, 85, ... ## $ Composure <int> 95, 96, 92, 83, 70, 87, 64, 87, 85, 86, ... ## $ Crossing <int> 85, 77, 75, 77, 15, 62, 17, 80, 85, 68, ... ## $ Curve <int> 81, 89, 81, 86, 14, 77, 21, 82, 85, 74, ... ## $ Dribbling <int> 91, 97, 96, 86, 30, 85, 18, 93, 79, 84, ... ## $ Finishing <int> 94, 95, 89, 94, 13, 91, 13, 83, 76, 91, ... ## $ `Free kick accuracy` <int> 76, 90, 84, 84, 11, 84, 19, 79, 84, 62, ... ## $ `GK diving` <int> 7, 6, 9, 27, 91, 15, 90, 11, 10, 5, 11, ... ## $ `GK handling` <int> 11, 11, 9, 25, 90, 6, 85, 12, 11, 12, 8,... ## $ `GK kicking` <int> 15, 15, 15, 31, 95, 12, 87, 6, 13, 7, 9,... ## $ `GK positioning` <int> 14, 14, 15, 33, 91, 8, 86, 8, 7, 5, 7, 1... ## $ `GK reflexes` <int> 11, 8, 11, 37, 89, 10, 90, 8, 10, 10, 11... ## $ `Heading accuracy` <int> 88, 71, 62, 77, 25, 85, 21, 57, 54, 86, ... ## $ Interceptions <int> 29, 22, 36, 41, 30, 39, 30, 41, 85, 20, ... ## $ Jumping <int> 95, 68, 61, 69, 78, 84, 67, 59, 32, 79, ... ## $ `Long passing` <int> 77, 87, 75, 64, 59, 65, 51, 81, 93, 59, ... ## $ `Long shots` <int> 92, 88, 77, 86, 16, 83, 12, 82, 90, 82, ... ## $ Marking <int> 22, 13, 21, 30, 10, 25, 13, 25, 63, 12, ... ## $ Penalties <int> 85, 74, 81, 85, 47, 81, 40, 86, 73, 70, ... ## $ Positioning <int> 95, 93, 90, 92, 12, 91, 12, 85, 79, 92, ... ## $ Reactions <int> 96, 95, 88, 93, 85, 91, 88, 85, 86, 88, ... ## $ `Short passing` <int> 83, 88, 81, 83, 55, 83, 50, 86, 90, 75, ... ## $ `Shot power` <int> 94, 85, 80, 87, 25, 88, 31, 79, 87, 88, ... ## $ `Sliding tackle` <int> 23, 26, 33, 38, 11, 19, 13, 22, 69, 18, ... ## $ `Sprint speed` <int> 91, 87, 90, 77, 61, 83, 58, 87, 52, 80, ... ## $ Stamina <int> 92, 73, 78, 89, 44, 79, 40, 79, 77, 72, ... ## $ `Standing tackle` <int> 31, 28, 24, 45, 10, 42, 21, 27, 82, 22, ... ## $ Strength <int> 80, 59, 53, 80, 83, 84, 64, 65, 74, 85, ... ## $ Vision <int> 85, 90, 80, 84, 70, 78, 68, 86, 88, 70, ... ## $ Volleys <int> 88, 85, 83, 88, 11, 87, 13, 79, 82, 88, ... ## $ CAM <dbl> 89, 92, 88, 87, NA, 84, NA, 88, 83, 81, ... ## $ CB <dbl> 53, 45, 46, 58, NA, 57, NA, 47, 72, 46, ... ## $ CDM <dbl> 62, 59, 59, 65, NA, 62, NA, 61, 82, 52, ... ## $ CF <dbl> 91, 92, 88, 88, NA, 87, NA, 87, 81, 84, ... ## $ CM <dbl> 82, 84, 79, 80, NA, 78, NA, 81, 87, 71, ... ## $ ID <int> 20801, 158023, 190871, 176580, 167495, 1... ## $ LAM <dbl> 89, 92, 88, 87, NA, 84, NA, 88, 83, 81, ... ## $ LB <dbl> 61, 57, 59, 64, NA, 58, NA, 59, 76, 51, ... ## $ LCB <dbl> 53, 45, 46, 58, NA, 57, NA, 47, 72, 46, ... ## $ LCM <dbl> 82, 84, 79, 80, NA, 78, NA, 81, 87, 71, ... ## $ LDM <dbl> 62, 59, 59, 65, NA, 62, NA, 61, 82, 52, ... ## $ LF <dbl> 91, 92, 88, 88, NA, 87, NA, 87, 81, 84, ... ## $ LM <dbl> 89, 90, 87, 85, NA, 82, NA, 87, 81, 79, ... ## $ LS <dbl> 92, 88, 84, 88, NA, 88, NA, 82, 77, 87, ... ## $ LW <dbl> 91, 91, 89, 87, NA, 84, NA, 88, 80, 82, ... ## $ LWB <dbl> 66, 62, 64, 68, NA, 61, NA, 64, 78, 55, ... ## $ `Preferred Positions` <chr> "ST LW", "RW", "LW", "ST", "GK", "ST", "... ## $ RAM <dbl> 89, 92, 88, 87, NA, 84, NA, 88, 83, 81, ... ## $ RB <dbl> 61, 57, 59, 64, NA, 58, NA, 59, 76, 51, ... ## $ RCB <dbl> 53, 45, 46, 58, NA, 57, NA, 47, 72, 46, ... ## $ RCM <dbl> 82, 84, 79, 80, NA, 78, NA, 81, 87, 71, ... ## $ RDM <dbl> 62, 59, 59, 65, NA, 62, NA, 61, 82, 52, ... ## $ RF <dbl> 91, 92, 88, 88, NA, 87, NA, 87, 81, 84, ... ## $ RM <dbl> 89, 90, 87, 85, NA, 82, NA, 87, 81, 79, ... ## $ RS <dbl> 92, 88, 84, 88, NA, 88, NA, 82, 77, 87, ... ## $ RW <dbl> 91, 91, 89, 87, NA, 84, NA, 88, 80, 82, ... ## $ RWB <dbl> 66, 62, 64, 68, NA, 61, NA, 64, 78, 55, ... ## $ ST <dbl> 92, 88, 84, 88, NA, 88, NA, 82, 77, 87, ...In this post, we are only interested in the attributes and the ... [Read more...]
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