I Have added my rubric. I need to run and need a paper written thoroughly and it has to be in a narrative form! It needs to include descriptives. Runs the models state the the problem Questions we...

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5/5/2022
Loading packages
library(readxl)
library(magrittr)
library(dplyr)
library(ggplot2)
library(rmarkdown)
library(MASS)
library(gvlma)
importing dataset
library(readr)
cog <- read_csv("New folder (2)/cog.csv")
View(cog)
#removing un neccesory attributes
cog$...1=NULL
hist(cog$cognition)
Descriptive measures
skimr::skim(cog)
Data summary
    Name
    cog
    Number of rows
    550
    Number of columns
    7
    _______________________
    
    Column type frequency:
    
    character
    2
    numeric
    5
    ________________________
    
    Group variables
    None
Variable type: character
    skim_variable
    n_missing
    complete_rate
    min
    max
    empty
    n_unique
    whitespace
    demgroup
    0
    1
    4
    7
    0
    3
    0
    female
    0
    1
    4
    6
    0
    2
    0
Variable type: numeric
    skim_variable
    n_missing
    complete_rate
    mean
    sd
    p0
    p25
    p50
    p75
    p100
    hist
    personid
    0
    1
    275.50
    158.92
    1.00
    138.25
    275.50
    412.75
    550.00
    ▇▇▇▇▇
    cognition
    0
    1
    24.82
    10.99
    0.00
    17.25
    25.00
    33.00
    44.00
    ▂▅▇▇▆
    age
    0
    1
    84.93
    3.43
    80.02
    82.33
    84.33
    86.19
    96.97
    ▇▇▂▂▁
    grip
    0
    1
    9.11
    2.98
    0.00
    7.00
    9.00
    11.00
    19.00
    ▁▅▇▃▁
    sexmw
    0
    1
    0.59
    0.49
    0.00
    0.00
    1.00
    1.00
    1.00
    ▆▁▁▁▇
mutate_if(cog,is.character,factor)
## # A tibble: 550 x 7
## personid cognition age grip sexmw demgroup female
##
## 1 1 23 92.6 9 1 None female
## 2 2 24 91.8 11 0 Future male
## 3 3 29 92.6 12 0 None male
## 4 4 16 94.4 6 1 None female
## 5 5 27 85.8 9 1 None female
## 6 6 ...