{"id":112,"date":"2021-10-10T11:05:59","date_gmt":"2021-10-10T16:05:59","guid":{"rendered":"https:\/\/sites.owu.edu\/geog-199\/?p=112"},"modified":"2021-10-10T11:05:59","modified_gmt":"2021-10-10T16:05:59","slug":"wade-chapter-6-exploring-spatial-data","status":"publish","type":"post","link":"https:\/\/sites.owu.edu\/geog-293\/2021\/10\/10\/wade-chapter-6-exploring-spatial-data\/","title":{"rendered":"Wade: Chapter 6: Exploring Spatial Data"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Chapter 6: Exploring Spatial Data<\/span><\/p>\n<p><span style=\"font-weight: 400\">Terms:<\/span><\/p>\n<p><b>Dynamic (property):<\/b> <span style=\"font-weight: 400\">terminologies for attributes that are defined at runtime, after creating the objects or instances<\/span><span style=\"font-weight: 400\">.<\/span><\/p>\n<p><b>List comprehension: <\/b><span style=\"font-weight: 400\">an easy and compact syntax for creating a list from a string or another list<\/span><span style=\"font-weight: 400\">. It is a very concise way to create a new list by performing an operation on each item in the existing list. List comprehension is considerably faster than processing a list using the for loop.<\/span><\/p>\n<p><span style=\"font-weight: 400\">System path<\/span><\/p>\n<p><b>Wildcard<\/b><span style=\"font-weight: 400\">: <\/span><span style=\"font-weight: 400\">a symbol used to replace or represent one or more characters<\/span><span style=\"font-weight: 400\">. Wildcards are used in computer programs, languages, search engines, and operating systems to simplify search criteria.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">Review Questions:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">What are the key differences and similarities between the describe () and da.describe () functions?<\/span>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The Describe function returns a dictionary with multiple properties, such as data type, fields, indexes, and many others. The dictionary&#8217;s keys are dynamic, meaning that depending on what data type is described, different properties will be available for use.<\/span><\/li>\n<\/ol>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Explain the difference between system and catalog paths, and how they affect exploring data in a folder.<\/span>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The main difference between an absolute and a relative path is that an absolute path specifies the location from the root directory whereas relative path is related to the current directory.<\/span><\/li>\n<\/ol>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">What is list comprehension, and when would you consider usng it.<\/span>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">List Comprehension is an easy and compact syntax for creating a list from a string or another list<\/span><span style=\"font-weight: 400\">. It is a very concise way to create a new list by performing an operation on each item in the existing list. List comprehension is considerably faster than processing a list using the for loop.<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 6: Exploring Spatial Data Terms: Dynamic (property): terminologies for attributes that are defined at runtime, after creating the objects or instances. List comprehension: an easy and compact syntax for creating a list from a string or another list. It <span class=\"readmore\"><a href=\"https:\/\/sites.owu.edu\/geog-293\/2021\/10\/10\/wade-chapter-6-exploring-spatial-data\/\">Continue Reading<\/a><\/span><\/p>\n","protected":false},"author":1413,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-112","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/posts\/112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/users\/1413"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/comments?post=112"}],"version-history":[{"count":1,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/posts\/112\/revisions"}],"predecessor-version":[{"id":113,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/posts\/112\/revisions\/113"}],"wp:attachment":[{"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/media?parent=112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/categories?post=112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.owu.edu\/geog-293\/wp-json\/wp\/v2\/tags?post=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}