The R environment has some ready-made datasets that you can see with
function data ().
1. Build a dataframe containing the following columns for the 50 US states
(vectors): state name, population, area (name, pop, area). Its lines
dataframe must not have names. The column with the names of the states should not
to have the factor structure. Use the stacked data sets [url removed, login to view] and
2. Build a function called popdens that accepts as input two
numbers corresponding to the population and area of an area, and return
as a result, the population density for this region.
3. Add an extra column to the dataframe of query 1 with a density name of
contains the population density for each state. Use for calculation
of the density of the function of question 2.
4. Add an extra column to the dataframe of query 1 with a percentage name of
contains the percentage of the population of each state in relation to the total
5. Add an extra column to the dataframe of query 1 with div name
contains the geographical area owned by each state. Use the ready
[url removed, login to view] data set. This new column must have the factor structure.
6. Construct the frequency table for geographic categories
apartments. Then, based on the frequency table, build one
pie chart. The chart must have a general title and use it
colors of the rainbow.
7. Create a new dataframe that contains the same data as the previous one, but
sorted in descending order of the population density column.
8. Save the new dataframe to a file called usa.csv. The file must be
contains the column names as headings, but not the names for the lines. The
values on each line must be separated by the semicolon (;) character.
8 freelance font une offre moyenne de $35 pour ce travail
I have more than 4 years of experience as a data scientist and analytics professional. I have excellent coding skills in R and Python. I can finish the task you have mentioned in an hour and comment the codes for your Plus
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After reading your problem statement and being a data scientist i have a write expertise to complete your questions mentioned above using R in RStudio even more than that i can also help you with machine learning and s Plus
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Hello, how are you? I have read the details provided, but please contact me so that we can discuss more on the project. I don't outsource like most people do ensuring quality work on time
This is a simple task to created a data frame based on existing data, and I can be return R code that produces a csv file within 24 hours.
i have worked on a similar project and I know what exactly you [login to view URL] project accepts data, does some basic calculations and stores the results in the same data frame. this data frame is manipulated again and stored Plus