ABI 50A Lecture Notes - Lecture 8: Flat File Database, Powerful Number, Spreadsheet
22 Sep 2016
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Note: manuscript due in two weeks, turn in again revised version at the end of the quarter. Outline: managing data, kinds of data a. i. Quality b. v. descriptive: flat files a two dimensional matrix c. i. All data on a two dimensional plane c. ii. Field is a particular kind of data c. iii. About and attribute of fishes (group). c. v. flat files n dimensional matrix: spreadsheets s database managers d. i. Database managers efficient storage of enormous amounts of any data. d. ii. 1. Queries d. ii. 3. a. questions to ask of the database prior to constructions. d. ii. 3. b. Formulated into particular algorithms: data collection e. i. Data collected from random sample of the population f. i. 1. Determine an estimate of some feature of the population. f. i. 1. b. Determining the significance of any similarities or differences f. i. 1. c. Mean: sum of observations divided by number of observations (the average). f. i. 2. b. Median: value most nearly lies in middle of sample. f. i. 2. c.
