Hint: You can choose any data you like but can’t take one that is already taken by other groups.
##
## Call:
## lm(formula = stars ~ brand + country, data = .)
##
## Residuals:
## Min 1Q Median 3Q Max
## -4.0409 -0.3822 0.0295 0.6275 1.6420
##
## Coefficients:
## Estimate Std. Error t value Pr(>|t|)
## (Intercept) 3.88223 0.09610 40.398 < 2e-16 ***
## brandMyojo -0.03087 0.13763 -0.224 0.8226
## brandNissin 0.23357 0.10170 2.297 0.0219 *
## brandNongshim 0.52396 0.15862 3.303 0.0010 **
## brandOttogi -0.15614 0.22921 -0.681 0.4960
## brandPaldo 0.43067 0.21187 2.033 0.0424 *
## brandSamyang Foods 0.50107 0.20733 2.417 0.0159 *
## brandSapporo Ichiban 0.05777 0.15796 0.366 0.7147
## countrySouth Korea -0.34237 0.18085 -1.893 0.0587 .
## countryUnited States -0.49333 0.08463 -5.829 8.3e-09 ***
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 0.8628 on 743 degrees of freedom
## (2 observations deleted due to missingness)
## Multiple R-squared: 0.0802, Adjusted R-squared: 0.06906
## F-statistic: 7.199 on 9 and 743 DF, p-value: 4.597e-10
## # A tibble: 3,180 x 6
## review_number brand variety style country stars
## <dbl> <fct> <chr> <chr> <chr> <dbl>
## 1 3180 Other Tem Tem Tom Yum Moo D… Cup Thailand 3.75
## 2 3179 Other tom Yum Kung Rice Ver… Pack Japan 2
## 3 3178 Other Kelp Broth Shio Ramen Cup Japan 2.5
## 4 3177 Other Ramen Gout Coco Poulet Cup France 3.75
## 5 3176 Maruchan Gotsumori Shio Yakiso… Tray Japan 5
## 6 3175 Myojo Chukazanmai Tantanmen Cup Japan 3.5
## 7 3174 Other Sesame Sauce Handmade… Pack Taiwan 3.75
## 8 3173 Sapporo Ich… Momosan Ramen Tonkotsu Pack United St… 5
## 9 3172 Other Hi-Myon Katsuo Udon Pack South Kor… 3.5
## 10 3171 Other Bowl Noodle Satay & B… Bowl Hong Kong 4.25
## # … with 3,170 more rows
## # A tibble: 3,180 x 6
## review_number brand variety style country stars
## <dbl> <chr> <chr> <chr> <fct> <dbl>
## 1 3180 Yum Yum Tem Tem Tom Yum Moo D… Cup Thailand 3.75
## 2 3179 Nagatanien tom Yum Kung Rice Ver… Pack Japan 2
## 3 3178 Acecook Kelp Broth Shio Ramen Cup Japan 2.5
## 4 3177 Maison de C… Ramen Gout Coco Poulet Cup Other 3.75
## 5 3176 Maruchan Gotsumori Shio Yakiso… Tray Japan 5
## 6 3175 Myojo Chukazanmai Tantanmen Cup Japan 3.5
## 7 3174 TIEasy Sesame Sauce Handmade… Pack Taiwan 3.75
## 8 3173 Sapporo Ich… Momosan Ramen Tonkotsu Pack United St… 5
## 9 3172 Samlip Hi-Myon Katsuo Udon Pack South Kor… 3.5
## 10 3171 Doll Bowl Noodle Satay & B… Bowl Hong Kong 4.25
## # … with 3,170 more rows
## # A tibble: 3,180 x 6
## review_number brand variety style country stars
## <dbl> <chr> <fct> <chr> <chr> <dbl>
## 1 3180 Yum Yum Other Cup Thailand 3.75
## 2 3179 Nagatanien Other Pack Japan 2
## 3 3178 Acecook Other Cup Japan 2.5
## 4 3177 Maison de Coree Other Cup France 3.75
## 5 3176 Maruchan Other Tray Japan 5
## 6 3175 Myojo Other Cup Japan 3.5
## 7 3174 TIEasy Other Pack Taiwan 3.75
## 8 3173 Sapporo Ichiban Other Pack United States 5
## 9 3172 Samlip Other Pack South Korea 3.5
## 10 3171 Doll Other Bowl Hong Kong 4.25
## # … with 3,170 more rows
Hint: Source and description of data, and definition of variables.
The source of our data is ramenrater.com.
Review_number: the ramen review number, starting at 1
Brand: brand of the ramen
Variety: the ramen variety such as flavor, style, or ingredient
Style: style of container like cup, pack, or tray
Country: origin country of the ramen brand
Stars:0-5 rating of the ramen, 5 is the best and 0 is the worst
Hint: Create at least two plots.
## review_number stars
## review_number 1.00 0.21
## stars 0.21 1.00
## # A tibble: 3,180 x 6
## review_number brand variety style country stars
## <dbl> <chr> <chr> <chr> <fct> <dbl>
## 1 3180 Yum Yum Tem Tem Tom Yum Moo D… Cup Other 3.75
## 2 3179 Nagatanien tom Yum Kung Rice Ver… Pack Japan 2
## 3 3178 Acecook Kelp Broth Shio Ramen Cup Japan 2.5
## 4 3177 Maison de C… Ramen Gout Coco Poulet Cup Other 3.75
## 5 3176 Maruchan Gotsumori Shio Yakiso… Tray Japan 5
## 6 3175 Myojo Chukazanmai Tantanmen Cup Japan 3.5
## 7 3174 TIEasy Sesame Sauce Handmade… Pack Other 3.75
## 8 3173 Sapporo Ich… Momosan Ramen Tonkotsu Pack United St… 5
## 9 3172 Samlip Hi-Myon Katsuo Udon Pack South Kor… 3.5
## 10 3171 Doll Bowl Noodle Satay & B… Bowl Other 4.25
## # … with 3,170 more rows