Question

Scatterplots in .R

Generate a scatterplot:

Load the storms data.frame contained in the tidyverse package, and Produce a scatterplot to explore the relationship between wind speed and storm pressure. Hint: make sure that each storm status is plotted in a different color.

library(ggplot2)

library(tidyverse)

data(storms)
head(storms)

## # A tibble: 6 x 13
##   name   year month   day  hour   lat  long status category  wind pressure
##   <chr> <dbl> <dbl> <int> <dbl> <dbl> <dbl> <chr>  <ord>    <int>    <int>
## 1 Amy    1975     6    27     0  27.5 -79   tropi~ -1          25     1013
## 2 Amy    1975     6    27     6  28.5 -79   tropi~ -1          25     1013
## 3 Amy    1975     6    27    12  29.5 -79   tropi~ -1          25     1013
## 4 Amy    1975     6    27    18  30.5 -79   tropi~ -1          25     1013
## 5 Amy    1975     6    28     0  31.5 -78.8 tropi~ -1          25     1012
## 6 Amy    1975     6    28     6  32.4 -78.7 tropi~ -1          25     1012
## # ... with 2 more variables: ts_diameter <dbl>, hu_diameter <dbl>

Once scatterplot has been generated please answer questions

Which description most accurately reflects the relationship between wind speed and storm pressure?

A. Weak, positive, liner
B. Weak, negative, non-linear
C. Strong, positive, non-linear
D. Strong, negative, linear

Which range contains the minimum pressure for tropical depressions in the storms data.frame?

A. 940-960
B. 961-980
C. 981-1,000
D. 1,001-1,020
E. 1,021+

Which range contains the maximum wind speed for tropical storms in the storms data.frame?

A. 0-40
B. 41-80
C. 81-120
D. 121-160
E. 161+

Based on your fitted trend lines, which storm category appears to have a linear relationships between wind speed and pressure?

A. Hurricane
B. Tropical depression
C. Tropical storm

Answer 1

Which description most accurately reflects the relationship between wind speed and stormpressure?

A. Weak, positive, liner

Which range contains the minimum pressure for tropical depressions in the storms data.frame?

D. 1,001-1,020

Which range contains the maximum wind speed for tropical storms in the storms data.frame?

E. 161+

Based on your fitted trend lines, which storm category appears to have a linear relationships between wind speed and pressure?

C. Tropical storm