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2024년 12월 1일 (일)
- 13:382024년 12월 1일 (일) 13:38 차이 역사 +3,203 새글 Holdout (Data Science) 새 문서: '''Holdout''' in data science refers to a method used to evaluate the performance of machine learning models by splitting the dataset into separate parts, typically a training set and a testing set. The testing set, often called the "holdout set," is kept aside during model training and is only used for final evaluation to ensure unbiased performance metrics. ==How Holdout Works== The holdout method involves the following steps: *The dataset is split into two (or sometimes three... 최신 태그: 시각 편집
- 13:222024년 12월 1일 (일) 13:22 차이 역사 +3,975 새글 PHP-FPM pm.max children 새 문서: '''pm.max_children''' is a directive in PHP-FPM (FastCGI Process Manager) configuration that specifies the maximum number of child processes that can be created to handle incoming requests. This setting is critical for managing server resources and ensuring that PHP-FPM can efficiently handle concurrent traffic without overloading the server. ==Overview== *The `pm.max_children` directive determines the upper limit on the number of simultaneous PHP-FPM worker processes. *When the... 최신 태그: 시각 편집
- 13:132024년 12월 1일 (일) 13:13 차이 역사 +3,193 새글 Apache FollowSymLinks 새 문서: '''FollowSymLinks''' is a directive in the Apache HTTP Server configuration that controls whether symbolic links (symlinks) in the server's document root or other directories can be followed. Symbolic links are files that point to other files or directories. The FollowSymLinks directive is often used to manage access and behavior related to these links in a web server environment. ==Syntax== The directive is used within Apache configuration files (e.g., `httpd.conf` or `.htacces... 최신 태그: 시각 편집
- 11:122024년 12월 1일 (일) 11:12 차이 역사 +2,776 새글 Diaper-Beer Syndrome 새 문서: '''Diaper-Beer Syndrome''' refers to a popular anecdote in data mining that suggests a correlation between the sales of diapers and beer. According to the story, data analysis at a retail store revealed that young fathers often purchased diapers and beer together, especially on Friday evenings. Although this example is frequently cited to demonstrate the potential of data mining, its authenticity remains doubtful. == The Legend == The legend goes as follows: * Retail analysts d... 최신
2024년 11월 30일 (토)
- 15:222024년 11월 30일 (토) 15:22 차이 역사 +531 Missing Data 편집 요약 없음 최신 태그: 시각 편집
- 14:252024년 11월 30일 (토) 14:25 차이 역사 +926 Min-Max Scaling 편집 요약 없음 최신 태그: 시각 편집
- 14:192024년 11월 30일 (토) 14:19 차이 역사 +2,912 새글 Min-Max Scaling Created page with "'''Min-Max Scaling''' is a data normalization technique used to scale features to a fixed range, typically [0, 1]. It ensures that all features contribute equally to the analysis or model by transforming the original values proportionally to fit within the specified range. Min-Max Scaling is widely used in data preprocessing for machine learning and statistical analysis. ==Overview== Min-Max Scaling transforms the data linearly by rescaling each value based on the featur..." 태그: 시각 편집
- 11:482024년 11월 30일 (토) 11:48 차이 역사 +3,693 새글 PHP-FPM Dynamic Process Management Created page with "'''PHP-FPM Dynamic Process Management''' refers to one of the modes available in PHP-FPM (FastCGI Process Manager) to manage worker processes. In this mode, the number of worker processes dynamically adjusts based on server load, ensuring efficient use of system resources while maintaining the ability to handle varying traffic levels. ==Overview== PHP-FPM is a robust process manager for PHP, and its dynamic mode is designed to strike a balance between performance and res..." 최신 태그: 시각 편집
- 11:452024년 11월 30일 (토) 11:45 차이 역사 +2,705 새글 PHP-FPM pm.max spare servers Created page with "'''pm.max_spare_servers''' is a configuration directive in PHP-FPM (FastCGI Process Manager) that specifies the maximum number of idle (spare) worker processes to maintain in the pool. It is used when the process manager (pm) is set to '''dynamic'''. This directive ensures that server resources are not wasted by limiting the number of idle worker processes. ==Overview== In dynamic process management mode, PHP-FPM adjusts the number of worker processes based on the server..." 최신 태그: 시각 편집
- 11:442024년 11월 30일 (토) 11:44 차이 역사 +2,629 새글 PHP-FPM pm.min spare servers Created page with "'''pm.min_spare_servers''' is a configuration directive in PHP-FPM (FastCGI Process Manager) used to specify the minimum number of idle (spare) worker processes that should be maintained in the pool. It is applicable when the process manager (pm) is set to '''dynamic'''. This directive ensures that there are always enough idle workers available to handle incoming requests without unnecessary delays. ==Overview== When PHP-FPM is configured to use the '''dynamic''' process..." 태그: 시각 편집
- 11:402024년 11월 30일 (토) 11:40 차이 역사 +26 Time Series Data 편집 요약 없음 최신 태그: 시각 편집
- 11:282024년 11월 30일 (토) 11:28 차이 역사 +3,815 새글 Time Series Data Created page with "'''Time Series Data''' refers to a sequence of data points collected or recorded at successive, evenly spaced points in time. This type of data is used to track changes over time and is a critical component in various fields like finance, economics, environmental science, and machine learning. ==Overview== Time series data captures how a variable evolves over time. The primary characteristic of time series data is its temporal ordering, meaning that the order of the obse..." 태그: 시각 편집
- 11:182024년 11월 30일 (토) 11:18 차이 역사 +52 Lagged Time Series 편집 요약 없음 최신 태그: 시각 편집: 전환됨
- 11:172024년 11월 30일 (토) 11:17 차이 역사 +2,962 새글 Lagged Time Series Created page with "'''Lagged Time Series''' refers to a transformation of time series data where previous values (lags) of the series are used to predict or understand future values. Lagged variables are essential in time series analysis and forecasting, as they help capture the temporal dependencies and autocorrelation within the data. ==Overview== In a lagged time series, the value of a variable at a specific time point is related to its values at earlier time points. This is particularl..." 태그: 시각 편집
- 09:562024년 11월 30일 (토) 09:56 차이 역사 +3,378 새글 Shapley Value Created page with "'''Shapley Value''' is a concept from cooperative game theory that provides a fair distribution of a total "payout" among players based on their individual contributions to the group. It is widely used in economics, decision-making, and machine learning for feature attribution and model interpretability. The Shapley Value ensures that each participant's contribution is valued in a mathematically fair and consistent manner...." 최신 태그: 시각 편집
- 07:382024년 11월 30일 (토) 07:38 차이 역사 +2,985 새글 SHAP Analysis Created page with "'''SHAP Analysis''' (SHapley Additive exPlanations) is a machine learning interpretability technique based on cooperative game theory. It is used to explain the predictions of complex machine learning models by attributing the contribution of each feature to the model's output. SHAP values provide a consistent and mathematically sound way to interpret individual predictions and global feature importance. ==Overview== SHAP values are derived from Shapley values, a concept..." 최신 태그: 시각 편집
- 07:142024년 11월 30일 (토) 07:14 차이 역사 +3,032 새글 Beeswarm Plot Created page with "'''Beeswarm Plot''' is a data visualization technique used to display individual data points along a single axis, often overlaid with a distribution representation. It helps to visualize the spread, density, and clustering of data points while avoiding overlap. Beeswarm plots are commonly used in exploratory data analysis to understand data distributions and outliers. ==Overview== thumb|Beeswarm Plot Beeswarm plots arrange individual data point..." 최신 태그: 시각 편집
- 07:142024년 11월 30일 (토) 07:14 차이 역사 +100 새글 파일:Beeswarm Plot.png 편집 요약 없음 최신
- 07:082024년 11월 30일 (토) 07:08 차이 역사 +176 Waterfall Plot 편집 요약 없음 최신 태그: 시각 편집
- 07:072024년 11월 30일 (토) 07:07 차이 역사 +99 새글 파일:Three Dimensional Waterfall Plot.png 편집 요약 없음 최신
- 07:062024년 11월 30일 (토) 07:06 차이 역사 +135 새글 파일:Waterfall Plot.png 편집 요약 없음 최신
- 03:142024년 11월 30일 (토) 03:14 차이 역사 +2,999 새글 DNS PROBE FINISHED NXDOMAIN Created page with "'''DNS_PROBE_FINISHED_NXDOMAIN''' is an error message displayed by web browsers, such as Google Chrome, indicating that the Domain Name System (DNS) could not resolve the domain name into an IP address. This error means that the requested domain does not exist or the DNS query failed. == Overview == When a user tries to access a website, the DNS translates the domain name (e.g., example.com) into an IP address. The '''NXDOMAIN''' in the error message stands for "Non-Exi..." 태그: 시각 편집: 전환됨
2024년 11월 29일 (금)
- 14:392024년 11월 29일 (금) 14:39 차이 역사 +2,797 새글 Extrapolation (Data Science) Created page with "'''Extrapolation''' is a data science technique used to estimate or predict values beyond the range of observed data. It involves extending a known trend, pattern, or relationship to predict outcomes for new, unobserved data points. While powerful, extrapolation can introduce significant errors if the assumptions about the data's behavior outside the observed range are incorrect. ==Overview== Extrapolation assumes that trends or relationships in the known data set remain..." 최신 태그: 시각 편집
- 14:322024년 11월 29일 (금) 14:32 차이 역사 +3,025 새글 Confounder (Data Science) Created page with "'''Confounder''' is a variable that influences both the dependent variable and one or more independent variables, potentially leading to a spurious association or bias in the analysis. In data science, identifying and addressing confounders is crucial to ensure the validity of causal inferences and statistical models. ==Overview== Confounders introduce bias by creating a false relationship between the variables of interest. If not properly controlled, they can lead to in..." 최신 태그: 시각 편집