Global Warming: Fact or Fiction?

Adelaide temperature data analysis

In this exercise you will analyse data about a temperature in Adelaide city. The data was collected by Australian Bureau of Meteorology – the best source of the climate related information in Australia. Two presented data set contain information about daily maximal and minimal temperatures for Adelaide weather station 023034 at Adelaide Airport. You can find these and other locations data at http://www.bom.gov.au/climate/data/index.shtml?bookmark=200

Q 1: You must complete the exercise and provide answers on the following points:

• Write an introduction about what type of analysis you plan to execute. Provide a brief data description: what are your data about; how many variables and observations there; what are highest and lowest temperatures were observed and when?
• Make a function to calculate and (nicely) present descriptive statistics (mean, standard deviation, skewness, kurtosis, median, IQR) for a given month and year. Run it for a maximal temperature for any month of 1961 and 2019. Compare results and discuss. Present appropriate data visualisation to support your discussion.
• Combine two data sets together and calculate a daily range between maximal and minimal temperature. Get an average range for each year, discuss its distribution and change over the time. Provide appropriate data visualisation to support your discussion.
• Count number of days per year with maximal temperature above 35 degrees. Build a graph. Discuss your observations.
• Select and justify a threshold for a minimal temperature and repeat step 4 for the number of days below the chosen threshold.
• Combine results from steps 4 and 5; discuss your finding and implications for the question of climate change.
• Write a conclusion outlining your analysis and results.

You should write the report in MS Word format and R-script with the code.

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