Minitab Part 2 Reading Material King Crab Data Reading Material ass r encerpits

Question

Minitab Part 2 Reading Material King Crab Data Reading Material ass r encerpits of the weREADME file. You will need to read this ingformation to help yow atswer the yaeshons. This is a description of the Kodiak Island king crab survey data, distributed for the Data Analysis Exposition being sponsored by the Statistical Graphics and Statistical Computing Sections at the 1990 American Statistical Society Joint Statistical meetings in Anaheim. The main data set consists of king crab pot survey data for the years 1973 through 1986. The surveys were conducted in the waters around Kodiak Island, Alaska, using pots similar to the pots used by the commercial fishing flect. (A crab pot is a trap that resembles a wooden crate.) A fixed sampling grid was used to place strings of pots (stations) consisting usually of 10 pots in open occan, or of 2-5 pots in bays. The pots were left in the water for periods of 16-24 hours, removed, and the crab counts recorded. The survey was conducted each summer, 2-4 weeks prior to start of the commercial fishing season. The crab counts are classified by size (roughly representing age) and sex into six categories. The basic survey data is a file "survey", containing a 3,450 by 14 matrix with these columns: 1. Year (last two digits) 2. Fishing district (one of four) 3. Station identifier (alphabetic) 4. The number of pots fished 5-6. Latitude and longitude of the location halfway between the first and last pot of the station 7. Number of pre-recruit-4 crab 8. Number of pre-recruit-3 crab 9. Number of pre-recruit-2 crab 10. Number of pre-recruit-I crab 11. Number of recruit males 12. Number of post-recruit males 13. Number of juvenile females 14. Number of adult females .A recruit is a male king crab that has reached a certain specified minimum size that makes him eligible to be caught. (The precise definition is somewhat technical, involving "carapace len and new-shell vs old-shell, but the details are not important here.) A pre-recruit-1 is a smaller male, roughly a year too young to be legally caught. (The operational definition is again in terms of size.) A pre-recruit-2 is a still-smaller male crab roughly 2 years away from reaching legal size. . And so on. A post-recruit is, roughly, a male crab that was probably already legal a year earlier A "legal" king crab is any male crab that is either a recruit or post-recruit. Since the commercial fleet is only permitted to catch legal crab, it is the total of recruits and post-recruits each year that is of primary commercial interest. 1 Page

Explanation / Answer

ANS:-

  

To create the graphs as shown in the figure (if using java or python):

Firstly define 4 hashmaps (or dictionaries, in python), one for each district.

1. for each district in {1,2,3,4}: (match the second column to 1,2,3 or 4, sequentially)

2. for each year in {unique(year)}: (find the number of unique year values in the first column)

3. if column1 == year and column2 == district:

4. if 'year' does not exist as a key in the district map (or dictionary):

5. Add key:value pair (year: column 11+column 12 + column 14)

6. else:

7. To the value of the key 'year', add the value column 11+column 12 + column 14.

Now, you may simply take each hashmap (or dictionary) and plot the keys on the x axis and the values on the y axis.

I ALREADY ANSWERED THIS ...I GOT IT AGAIN SO I PASTED THE SAME

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