• Thumbnail for Standard error
    The standard error (SE) of a statistic (usually an estimate of a parameter) is the standard deviation of its sampling distribution or an estimate of that...
    20 KB (2,691 words) - 14:40, 3 December 2023
  • Clustered standard errors (or Liang-Zeger standard errors) are measurements that estimate the standard error of a regression parameter in settings where...
    9 KB (1,237 words) - 10:07, 20 May 2024
  • Thumbnail for Standard deviation
    the standard error of a statistic (e.g., of the sample mean) are quite different, but related. The sample mean's standard error is the standard deviation...
    55 KB (7,602 words) - 19:23, 24 May 2024
  • standard errors (or simply robust standard errors), Eicker–Huber–White standard errors (also Huber–White standard errors or White standard errors),...
    18 KB (2,295 words) - 01:13, 20 February 2024
  • input/output (I/O) connections are called standard input (stdin), standard output (stdout) and standard error (stderr). Originally I/O happened via a physically...
    22 KB (2,487 words) - 13:07, 21 March 2024
  • Thumbnail for Margin of error
    The margin of error is a statistic expressing the amount of random sampling error in the results of a survey. The larger the margin of error, the less confidence...
    13 KB (2,192 words) - 19:08, 5 January 2024
  • squares. Its square root is called regression standard error, standard error of the regression, or standard error of the equation (see Ordinary least squares...
    12 KB (1,863 words) - 15:26, 15 February 2024
  • random variables with variance σ 2 {\displaystyle \sigma ^{2}} , the standard error of the weighted mean, σ x ¯ {\displaystyle \sigma _{\bar {x}}} , can...
    44 KB (8,991 words) - 12:09, 22 April 2024
  • Thumbnail for Error bar
    reported value the true (error free) value might be. Error bars often represent one standard deviation of uncertainty, one standard error, or a particular confidence...
    4 KB (449 words) - 08:30, 10 April 2024
  • being estimated. In an analogy to standard deviation, taking the square root of MSE yields the root-mean-square error or root-mean-square deviation (RMSE...
    24 KB (3,414 words) - 19:20, 25 May 2024
  • interpreted as "the number of standard errors away from the regression line." In regression analysis, the distinction between errors and residuals is subtle...
    16 KB (2,168 words) - 18:00, 25 November 2023
  • Thumbnail for List of HTTP status codes
    codes are not specified by any standard. 218 This is fine (Apache HTTP Server) Used by Apache servers. A catch-all error condition allowing the passage...
    47 KB (5,526 words) - 09:51, 22 May 2024
  • quantified in terms of the standard deviation, σ, which is the positive square root of the variance. The value of a quantity and its error are then expressed...
    30 KB (3,982 words) - 19:28, 22 April 2024
  • Thumbnail for Ordinary least squares
    square root of s2 is called the regression standard error, standard error of the regression, or standard error of the equation. It is common to assess the...
    64 KB (8,935 words) - 02:22, 18 May 2024
  • In statistical hypothesis testing, a type I error, or a false positive, is the rejection of the null hypothesis when it is actually true. For example...
    31 KB (4,487 words) - 23:50, 2 May 2024
  • Thumbnail for Median
    relative standard error of the median will be ( π / 2 ) 1 2 ≈ 1.25 {\displaystyle (\pi /2)^{\frac {1}{2}}\approx 1.25} , or 25% greater than the standard error...
    59 KB (7,632 words) - 03:52, 17 May 2024
  • Thumbnail for HTTP 404
    HTTP 404 (redirect from Custom error page)
    404 not found, 404, 404 error, page not found, or file not found error message is a hypertext transfer protocol (HTTP) standard response code, to indicate...
    19 KB (2,308 words) - 12:18, 16 April 2024
  • resulting sample statistics can be used to estimate the standard error on the sample. The term "sampling error" has also been used in a related but fundamentally...
    5 KB (698 words) - 18:44, 20 October 2023
  • An error (from the Latin errāre, meaning 'to wander') is an inaccurate or incorrect action, thought, or judgement. In statistics, "error" refers to the...
    18 KB (2,248 words) - 20:06, 1 April 2024
  • error in this sense is as the name for the scale parameter of the Cauchy distribution, which does not have a standard deviation. The probable error can...
    2 KB (183 words) - 03:35, 12 April 2022
  • distribution theory. The standard deviation of the sampling distribution of a statistic is referred to as the standard error of that quantity. For the...
    7 KB (729 words) - 14:36, 17 May 2024
  • Thumbnail for Stratified sampling
    have a lower standard deviation (as compared to the overall standard deviation in the population), stratification gives a smaller error in estimation...
    11 KB (1,522 words) - 03:36, 26 April 2024
  • Thumbnail for Normal distribution
    using integration by parts. For more, see Error function#Asymptotic expansion. A quick approximation to the standard normal distribution's cumulative distribution...
    142 KB (22,359 words) - 21:38, 25 May 2024
  • Observational error (or measurement error) is the difference between a measured value of a quantity and its unknown true value. Such errors are inherent...
    16 KB (2,134 words) - 22:17, 17 December 2023
  • theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over unreliable...
    40 KB (4,679 words) - 11:53, 21 April 2024
  • Thumbnail for HTTP 451
    HTTP 451 (redirect from 451 error)
    computer networking, HTTP 451 Unavailable For Legal Reasons is a proposed standard error status code of the HTTP protocol to be displayed when the user requests...
    9 KB (994 words) - 02:43, 31 March 2024
  • Thumbnail for Error function
    values of x, the error function has the following interpretation: for a random variable Y that is normally distributed with mean 0 and standard deviation 1/√2...
    47 KB (7,355 words) - 23:40, 4 April 2024
  • Thumbnail for Homoscedasticity and heteroscedasticity
    used in the past. Nowadays, standard practice in econometrics is to include Heteroskedasticity-consistent standard errors instead of using GLS, as GLS...
    27 KB (3,191 words) - 22:10, 20 May 2024
  • from some population in which the mean is μ and the standard deviation is σ, the standard error is σ n : {\displaystyle {\tfrac {\sigma }{\sqrt {n}}}:}...
    23 KB (1,291 words) - 15:39, 18 May 2023
  • Errno.h (redirect from Error codes in Linux)
    is a header file in the standard library of the C programming language. It defines macros for reporting and retrieving error conditions using the symbol...
    11 KB (1,399 words) - 14:14, 21 October 2023