{"id":83,"date":"2025-09-24T22:59:43","date_gmt":"2025-09-24T20:59:43","guid":{"rendered":"http:\/\/python-ai.pl\/?p=83"},"modified":"2025-09-24T22:59:43","modified_gmt":"2025-09-24T20:59:43","slug":"%f0%9f%93%8a-analiza-danych-statystyki-i-korelacje","status":"publish","type":"post","link":"https:\/\/python-ai.pl\/?p=83","title":{"rendered":"\ud83d\udcca Analiza danych &#8211; Statystyki i Korelacje"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Przeanalizujemy dane o pensjach, aby zrozumie\u0107 wzorce i korelacje mi\u0119dzy wiekiem, do\u015bwiadczeniem a zarobkami. To kluczowy krok przed przej\u015bciem do Machine Learning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Analiza obejmuje:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Statystyki opisowe<\/li>\n\n\n\n<li>Rozk\u0142ady zmiennych<\/li>\n\n\n\n<li>Korelacje mi\u0119dzy cechami<\/li>\n\n\n\n<li>Identyfikacja wzorc\u00f3w<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Statystyki opisowe danych:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"814\" height=\"319\" src=\"http:\/\/python-ai.pl\/wp-content\/uploads\/2025\/09\/image.png\" alt=\"\" class=\"wp-image-84\" srcset=\"https:\/\/python-ai.pl\/wp-content\/uploads\/2025\/09\/image.png 814w, https:\/\/python-ai.pl\/wp-content\/uploads\/2025\/09\/image-300x118.png 300w, https:\/\/python-ai.pl\/wp-content\/uploads\/2025\/09\/image-768x301.png 768w\" sizes=\"auto, (max-width: 814px) 100vw, 814px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Kod Python &#8211; Analiza statystyczna:<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code># Analiza statystyczna\nimport pandas as pd\nimport numpy as np\n\n# Statystyki opisowe\nprint(&quot;=== STATYSTYKI WIEKU ===&quot;)\nprint(f&quot;\u015aredni wiek: {df[&#39;wiek&#39;].mean():.1f} lat&quot;)\nprint(f&quot;Mediana wieku: {df[&#39;wiek&#39;].median()} lat&quot;)\nprint(f&quot;Min wiek: {df[&#39;wiek&#39;].min()} lat&quot;)\nprint(f&quot;Max wiek: {df[&#39;wiek&#39;].max()} lat&quot;)\n\nprint(&quot;\\n=== STATYSTYKI PENSJI ===&quot;)\nprint(f&quot;\u015arednia pensja: {df[&#39;pensja&#39;].mean():.0f} PLN&quot;)\nprint(f&quot;Mediana pensji: {df[&#39;pensja&#39;].median():.0f} PLN&quot;)\nprint(f&quot;Min pensja: {df[&#39;pensja&#39;].min():.0f} PLN&quot;)\nprint(f&quot;Max pensja: {df[&#39;pensja&#39;].max():.0f} PLN&quot;)\n\n# Korelacje\ncorrelation = df[&#39;wiek&#39;].corr(df[&#39;pensja&#39;])\nprint(f&quot;\\nKorelacja wiek-pensja: {correlation:.3f}&quot;)<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Przeanalizujemy dane o pensjach, aby zrozumie\u0107 wzorce i korelacje mi\u0119dzy wiekiem, do\u015bwiadczeniem a zarobkami. To kluczowy krok przed przej\u015bciem do Machine Learning. Analiza obejmuje: Statystyki opisowe danych: Kod Python &#8211; Analiza statystyczna:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[28,4],"tags":[29,6],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-ai","category-kurs","tag-ai","tag-kurs"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":1,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":85,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/85"}],"wp:attachment":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}