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Function of the observed sample results
In null-hypothesis significance testing, the p-value is the probability of obtaining test results at least as extreme as the result actually observed
P-value
Misinterpretation of statistical significance
P-values are often used or interpreted incorrectly; the American Statistical Association states that p-values can indicate how incompatible the data are
Misuse_of_p-values
Misuse of data analysis
problem is that p-value of an optionally stopped statistical test is larger than what it seems. Intuitively, this is because the p-value is supposed to
Data_dredging
Statistics concept
In statistics, a generalized p-value is an extended version of the classical p-value, which except in a limited number of applications, provides only
Generalized_p-value
Statistical concept
alternative to p-values, addressing some shortcomings of the latter. In contrast to p-values, e-values can deal with optional continuation: e-values of subsequent
E-values
Statistical method for multiple testing
The harmonic mean p-value (HMP) is a statistical technique for addressing the multiple comparisons problem that controls the strong-sense family-wise
Harmonic_mean_p-value
Mathematical index used in Bayesian statistics
positive or negative. This index is numerically similar to the frequentist p-value. It is mathematically defined as the larger of two posterior probabilities:
Probability_of_direction
Statistical hypothesis testing measure
testing, the q-value in the Storey procedure provides a means to estimate the positive false discovery rate (pFDR). Just as the p-value gives the expected
Q-value_(statistics)
Statistical significance test
because the significance of the deviation from a null hypothesis (e.g., p-value) can be calculated exactly, rather than relying on an approximation that
Fisher's_exact_test
Benefit provided by a good or service in an economy
In economics, economic value is a measure of the benefit provided by a good or service to an economic agent, and value for money represents an assessment
Value_(economics)
Observed inability to reproduce scientific studies
statistic exceeds the chosen critical value, the results are considered statistically significant. The p-value represents the probability of obtaining
Replication_crisis
Measure of lipophilicity and hydrophilicity
independent of the pH value of the aqueous phase due to their restriction to only one species, D values are often strongly dependent on the pH value of the aqueous
Octanol-water partition coefficient
Octanol-water_partition_coefficient
Ratio in statistics
deviation is unknown. It is also used along with p-value when running hypothesis tests where the p-value tells us what the odds are of the results to have
T-statistic
Concept in inferential statistics
hypothesis, given that the null hypothesis is true; and the p-value of a result, p {\displaystyle p} , is the probability of obtaining a result at least as
Statistical_significance
Highest power of p dividing a given number
gives rise to an analogue of the usual absolute value, though unlike the latter, the p-adic absolute value is not Archimedean. Whereas the completion of
P-adic_valuation
Method of statistical inference
either by comparing the test statistic to a critical value or equivalently by evaluating a p-value computed from the test statistic. Roughly 100 specialized
Statistical_hypothesis_test
Financial ratio comparing stock price to company book value
or P/B ratio, (also PBR) is a financial ratio used to compare a company's current market value to its book value (where book value is the value of all
P/B_ratio
Number system extending the rational numbers
absolute value on p-adic numbers: the p-adic absolute value of a nonzero p-adic number x is | x | p = p − v p ( x ) , {\displaystyle |x|_{p}=p^{-v_{p}(x)}
P-adic_number
Study of collection and analysis of data
is the largest p-value that allows the test to reject the null hypothesis. This test is logically equivalent to saying that the p-value is the probability
Statistics
Average value of a random variable
theory, the expected value (also called expectation, mean, or first moment) is a generalization of the weighted average. The expected value of a random variable
Expected_value
Personal value, basis for ethical action
In ethics and social sciences, value denotes the degree of importance of something or an action, with the aim of determining which actions are best to
Value_(ethics)
Probability distribution and special case of gamma distribution
distribution. Just as extreme values of the normal distribution have low probability (and give small p-values), extreme values of the chi-squared distribution
Chi-squared_distribution
Probability plot which compares two cumulative distribution functions
In statistics, a P–P plot (probability–probability plot or percent–percent plot or P value plot) is a probability plot for assessing how closely two data
P–P_plot
Statistical hypothesis test
value and degrees of freedom are determined, a p-value can be found using a table of values from Student's t-distribution. If the calculated p-value is
Student's_t-test
Statistical method for handling multiple comparisons
and P 1 , … , P m {\displaystyle P_{1},\ldots ,P_{m}} their corresponding p-values. We list these p-values in ascending order and denote them by P ( 1
False_discovery_rate
Square roots of the eigenvalues of the self-adjoint operator
singular values, and the Schatten norm is the p {\displaystyle p} -th root of the sum of the p {\displaystyle p} -th powers of the singular values. Note
Singular_value
Statistical method
you have m {\displaystyle m} p-values, sorted into order lowest-to-highest P 1 , … , P m {\displaystyle P_{1},\ldots ,P_{m}} , for the corresponding null
Holm–Bonferroni_method
Statistical test used on paired nominal data
equivalent to: mid-p-value = exact-p-value − ( n b ) 0.5 b ( 1 − 0.5 ) n − b {\displaystyle {\text{mid-p-value}}={\text{exact-p-value}}-{n \choose b}0.5^{b}(1-0
McNemar's_test
Probability of making type I errors when performing multiple hypotheses tests
Denote by p i {\displaystyle p_{i}} the p-value for testing H i {\displaystyle H_{i}} reject H i {\displaystyle H_{i}} if p i ≤ α m {\displaystyle p_{i}\leq
Family-wise_error_rate
Types of error in data reporting
so the result is a (corrected) p-value. Thus they are susceptible to the same misinterpretation as any other p-value. The false positive risk is always
False positives and false negatives
False_positives_and_false_negatives
Measure of how well an object, per unit of area, resists conductive flow of heat
The R-value is a measure of thermal resistance, specifically how well a two-dimensional barrier, such as a layer of insulation, a window, or a complete
R-value_(insulation)
Measure of the level of acidity or basicity of an aqueous solution
cations) are measured to have lower pH values than basic or alkaline solutions. While the origin of the symbol 'pH' can be traced back to its original
PH
Company identifier for value-added tax purposes
A value-added tax identification number or VAT identification number (VATIN) is an identifier used in many countries, including the countries of the European
VAT_identification_number
Statistical method
{\displaystyle X_{2k}^{2}=-2\sum _{i=1}^{k}\ln p_{i},} where pi is the p-value for the ith hypothesis test. When the p-values tend to be small, the test statistic
Fisher's_method
Test of statistical significance
two-tailed p {\displaystyle p} -value is calculated as, p = ∑ i ∈ I Pr ( X = i ) = ∑ i ∈ I ( n i ) π 0 i ( 1 − π 0 ) n − i {\displaystyle p=\sum _{i\in
Binomial_test
Statistical method
conservative than the uncorrected chi-squared test, as it increases the p-value and thus reduces the likelihood of rejecting the null hypothesis when it
Yates's correction for continuity
Yates's_correction_for_continuity
not valid. Fisher's method is a way of combining the information in the p-values from different statistical tests so as to form a single overall test: this
Extensions_of_Fisher's_method
Systematic study of values
Value theory, also called axiology, studies the nature, sources, and types of values. It is a branch of philosophy and an interdisciplinary field closely
Value_theory
Evaluates how likely it is that any difference between data sets arose by chance
names similar to Pearson χ-squared test or statistic are used. It is a p-value test. A simple example is testing the hypothesis that an ordinary six-sided
Pearson's_chi-squared_test
Statistical hypothesis test
the p-value is computed for every possible way of breaking ties, and the final p-value is the mean of the tie-broken p-values. Computing p-values requires
Wilcoxon_signed-rank_test
Probability distribution
statistical hypothesis testing this function is used to construct the p-value. The noncentral t distribution generalizes the t distribution to include
Student's_t-distribution
statistical hypothesis testing, p-rep or prep has been proposed as a statistical alternative to the classic p-value. Whereas a p-value is the probability of obtaining
P-rep
Statistical technique used to correct for multiple comparisons
a p-value adjustment: Using that approach, instead of adjusting the alpha level, each p-value is multiplied by the number of tests (with adjusted p-values
Bonferroni_correction
Multithreading computing anomaly
{\displaystyle P_{2}} to run, P 2 {\displaystyle P_{2}} writes value B to the shared memory location P 2 {\displaystyle P_{2}} writes value A to the shared
ABA_problem
Branch of statistics
and the p-value is calculated using the Chi-squared test. For the example data, the log-rank test for difference in survival gives a p-value of p=0.0653
Survival_analysis
Income statement with commentary
fluctuation in the value of a portfolio of trades to the root causes of the changes. P&L is the day-over-day change in the value of a portfolio of trades
PnL_explained
thinking, a first p-value of 0.0499 will be interpreted the same as a p-value of 0.0001 (the null hypothesis is rejected) while a second p-value of 0.0501 will
Dichotomous_thinking
Set of activities that a firm performs to deliver a valuable product
A value chain is a sequence of activities that an organization performs to design, produce, market, deliver, and support goods or services for customers
Value_chain
Method for estimating the unknown parameters in a linear regression model
the squares of the differences between the observed dependent variable (values of the variable being observed) in the input dataset and the output of the
Ordinary_least_squares
Type of scatter plot
the negative logarithm (base 10) of the p-value on the y-axis, ensuring that data points with lower p-values—indicative of higher statistical significance—are
Volcano_plot_(statistics)
Exact statistical hypothesis test
group labels are exchangeable (i.e., are randomly assigned). The one-sided p-value of the test is calculated as the proportion of sampled permutations where
Permutation_test
Investment paradigm
Value investing is an investment paradigm that involves buying securities that appear underpriced by some form of fundamental analysis. Modern value investing
Value_investing
or to keep the index up to date as various companies grow or shrink in value. Between January 1, 1963, and December 31, 2014, 1,186 index components
List_of_S&P_500_companies
Sixteenth letter of the Latin alphabet
Pi Ⲡ ⲡ : Coptic letter Pi Պ պ: Armenian letter Pe P with diacritics: Ṕ ṕ Ṗ ṗ Ᵽ ᵽ Ƥ ƥ ᵱ ᶈ Turned P: P d, an additional letter of the Latin script not encoded
P
Statistical interpretation with many tests
S2CID 10735784. P. H. Westfall and S. S. Young (1993), Resampling-based Multiple Testing: Examples and Methods for p-Value Adjustment, Wiley P. Westfall, R
Multiple_comparisons_problem
Promise of value to be delivered, communicated, and acknowledged
In marketing, a value proposition is the economic value that a company or product delivers to its market segment of customers. The phrase was coined by
Value_proposition
p-value as had the original null hypothesis of “no difference.” Some researchers contend that reporting the counternull, in addition to the p-value,
Counternull
Value of an asset at a specific date
Future value is the value of a current sum of money or stream of cash flows at a specified date in the future, given an assumed rate of return or interest
Future_value
Sign that indicates the relative duration of a note
In music notation, a note value indicates the relative duration of a note, using the texture or shape of the notehead, the presence or absence of a stem
Note_value
Probability distribution modeling a coin toss which need not be fair
variable which takes the value 1 with probability p {\displaystyle p} and the value 0 with probability q = 1 − p {\displaystyle q=1-p} . Less formally, it
Bernoulli_distribution
American epidemiologist
statistical inference within the biosciences. In 1999, he coined the term "p-value fallacy" in a pair of landmark papers arguing for the adoption of Bayesian
Steven_N._Goodman
Milligrams of a base needed to neutralize 1 gram of a given acid
sample. The acid value measures the acidity of water-insoluble substances like oils, fats, waxes and resins, which do not have a pH value. The acid number
Acid_value
In-band data value that must be handled specially by computer code
programming, a sentinel value (also referred to as a flag value, trip value, rogue value, signal value, or dummy data) is a special value in the context of
Sentinel_value
Current worth of a future sum discounted to today
In economics and finance, present value (PV), also known as present discounted value (PDV), is the value of an expected income stream determined as of
Present_value
Value that has the same worth for all people
A value is a universal value if it has the same value or worth for all, or almost all, people. Spheres of human value encompass morality, aesthetic preference
Universal_value
Probability that random variable X is less than or equal to x
a real-valued random variable X {\displaystyle X} is the function given by F X ( x ) = P ( X ≤ x ) {\displaystyle F_{X}(x)=\operatorname {P} (X\leq
Cumulative distribution function
Cumulative_distribution_function
Concept in Marxist theory
In Karl Marx's critique of political economy, the value-form is the social form that wealth takes in a society where commodity exchange is the dominant
Value-form
Potential to provoke a sharp negative reaction
Shock value (also called shock factor) is the potential of an image, text, action, or other form of communication, such as a public execution, to provoke
Shock_value
Better to receive money now than later
The time value of money refers to the idea that there is generally a greater benefit to receiving a sum of money now rather than an identical sum later
Time_value_of_money
Ways of computing statistical significance
as significant (half the p-value) if the data is in the direction specified by the test, or not significant at all (p-value above α {\displaystyle \alpha
One-_and_two-tailed_tests
Measurements of stable atom orientations
A-values are numerical values used in the determination of the most stable orientation of atoms in a molecule (conformational analysis), as well as a
A_value
Theorem in mathematics
In calculus and real analysis, the mean value theorem (or Lagrange's mean value theorem) is a theorem about differentiable functions, roughly stating
Mean_value_theorem
Price at which an asset would trade in a competitive auction setting
Market value is often used interchangeably with open market value, fair value or fair market value, although these terms have distinct definitions in different
Market_value
Value of an act that contributes to society
Public value describes the value that an organization or activity contributes to society. The term was originally coined by Harvard professor Mark H.
Public_value
Distance from zero to a number
In mathematics, the absolute value or modulus of a real number x {\displaystyle x} , denoted | x | {\displaystyle |x|} , is the (non-negative) magnitude
Absolute_value
Concept in economics
In Marxian economics, surplus value is the difference between the amount raised through a sale of a product and the amount it cost to manufacture it:
Surplus_value
Measure of linear correlation
Thus an approximate p-value can be obtained from a normal probability table. For example, if z = 2.2 is observed and a two-sided p-value is desired to test
Pearson correlation coefficient
Pearson_correlation_coefficient
{\displaystyle P_{n}} is the value at the start of the holding period and I n c o m e + P n + 1 {\displaystyle Income+P_{n+1}} is the total value at the end of the
Holding_period_return
CT Values are an important part of calculating disinfectant dosage for the chlorination of drinking water. A CT value is the product of the concentration
CT_Value
Economic measure
Enterprise value (EV), total enterprise value (TEV), or firm value (FV) is an economic measure reflecting the market value of a business (i.e. as distinct
Enterprise_value
Statistical test
value for the significance level. z 1 − β {\displaystyle z_{1-\beta }} : Quantile for the desired power. p 0 = p 1 = p 2 {\displaystyle p_{0}=p_{1}=p_{2}}
Z-test
Theory in classical and Marxian economics
The labor theory of value (LTV) is an economic theory that argues that the value of a good or service is determined by the total amount of socially necessary
Labor_theory_of_value
Range to estimate an unknown parameter
confidence interval (CI) is a range of values which is likely to contain (in repeated sampling) the true value of an unknown statistical parameter, such
Confidence_interval
Statistical test comparing two probability distributions
statistic and p-values for purely discrete, mixed or continuous null distributions and arbitrary sample sizes. The KS test and its p-values for discrete
Kolmogorov–Smirnov_test
Application of statistical techniques to biological systems
contributions to genetics and statistics. Some of them include the ANOVA, p-value concepts, Fisher's exact test and Fisher's equation for population dynamics
Biostatistics
Concept in game theory
In cooperative game theory, the Shapley value is a method (solution concept) for fairly distributing the total gains or costs among a group of players
Shapley_value
Business term
Shareholder value is a business term, sometimes phrased as shareholder value maximization. The term expresses the idea that the primary goal for a business
Shareholder_value
Economic measure placing a monetary value on reducing the risk of death
The value of a statistical life (VSL) is an economic value used to quantify the benefit of avoiding a fatality. It is also referred to as the cost of life
Value_of_a_statistical_life
Amount of DNA contained in a haploid nucleus
C-value is the amount, in picograms, of DNA contained within a haploid nucleus (e.g. a gamete) or one half the amount in a diploid somatic cell of a eukaryotic
C-value
Estimated potential loss for an investment under a given set of conditions
Value at risk (VaR) is a measure of the risk of loss of investment/capital. It estimates how much a set of investments might lose (with a given probability)
Value_at_risk
Value of an asset according to its balance sheet account balance
accounting, book value (or carrying value) is the value of an asset according to its balance sheet account balance. For assets, the value is based on the
Book_value
Ratio of concentrations in a mixture at equilibrium
is buffered to a specific value such that the pH is not significantly perturbed by the introduction of the compound. The value of each log D is then determined
Partition_coefficient
Notion in mathematics
Absolute value Truth value Collins, Joseph Victor (1893). Text-book of Algebra: Through Quadratic Equations. Albert, Scott & Company. p. 64. "Value". Meschkowski
Value_(mathematics)
Statistical test for logistic regression models
though the regression gave a significant p-value for caffeine. It is possible to have a significant p-value, but still have poor predictions of the proportion
Hosmer–Lemeshow_test
Best Value was government policy in the United Kingdom affecting the provision of public services in England. In Wales, Best Value is known as the Wales
Best_Value
Measure of peroxide content of a fat or oil
rancid taste is noticeable. Acid value Amine value Bromine number Epoxy value Hydroxyl value Iodine value Saponification value Chemistry And Technology Of
Peroxide_value
S&P 400 periodically, typically in response to acquisitions, or to keep the index up to date as various companies grow or shrink in value. List of S&P 500
List_of_S&P_400_companies
Statistical measure
kappa or Fleiss's kappa, which can be converted into a P-value. However, even when the P value reaches the threshold of statistical significance (typically
Fleiss's_kappa
American multinational banking institution
both the S&P 500 and S&P 100 indexes. It was included in the 2024 Forbes Global 2000 for its sales, profitability, asset base, and market value, among other
U.S._Bancorp
Levy on the unimproved value of land
A land value tax (LVT) is a levy on the value of land without regard to buildings, personal property and other improvements upon it. Some economists favor
Land_value_tax
P VALUE
P VALUE
Surname or Lastname
Ukrainian, Jewish (from Ukraine), Polish, Serbian, and Hungarian (Cáp)
Ukrainian, Jewish (from Ukraine), Polish, Serbian, and Hungarian (Cáp) : from Ukrainian tsap ‘billy goat’, Polish cap, and so probably a nickname for someone thought to resemble the animal in some way or perhaps a metonymic occupational name for a goat herd.Czech (Čáp) : nickname for a tall or long-legged man, from Äáp ‘stork’.Southern French : from Occitan cap ‘head’ (Latin caput); probably a nickname for a person with something distinctive about his head. The word was often used in the metaphorical sense ‘chief’, ‘principal’, and the surname may also have denoted a leader or a village elder. In some cases it may also be a topographic name from the same word used in the sense of a promontory or headland.Americanized spelling of German Kapp.English : variant spelling of Capp.
Surname or Lastname
English
English : variant of Cudlip(p), a habitational name from Cudlipptown in Petertavy, Devon.Americanized form of German Gottlieb.
Surname or Lastname
English
English : occupational name for a carrier, from Middle English sum(p)ter ‘(driver of a) pack animal’.
Boy/Male
Muslim
Deer name of a sahabi who p
Surname or Lastname
English
English : habitational name from any of the various places, for example in Dorset, Glloucestershire, Hampshire, Oxfordshire, and Shropshire, so called from Old English scēap, scīp ‘sheep’ + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
French
French : from a pet form of the personal name P(i)erre, French form of Peter.English (Bristol) : variant of Parrott
Surname or Lastname
English
English : habitational name from any of the various places, for example in Derbyshire, County Durham, Northumberland, Shropshire, Sussex, and West Yorkshire, so called from Old English scēap, scīp ‘sheep’ + lēah ‘wood’, ‘clearing’.
Surname or Lastname
English
English : habitational name from Patmore in Hertfordshire, which appears in Domesday Book as Patemere, from an Old English personal name P(e)atta + Old English mere ‘lake’, ‘pool’.
Boy/Male
Indian
Deer name of a sahabi who p
Surname or Lastname
English
English : topographic name from Middle English slape ‘slippery, miry place’, or a habitational name from any of the places named with this word (Old English slǣp), as for example Slape in Dorset or Sleap in Shropshire.
Male
Hungarian
Hungarian form of English Philip, FÜLÖP means "lover of horses."
Surname or Lastname
English
English : topographic name for someone who lived on or by a strip of land, Old English strīp.
Surname or Lastname
English
English : habitational name from Skipton or Skipton-on-Swale in North Yorkshire. Both places are named with Old English scīp ‘sheep’ (with later change of ‘s’ to ‘sk’ under Scandinavian influence) + tūn ‘enclosure’, ‘settlement’.
Female
English
Pet form of English Peg, PEGGY means "pearl." It is a variant spelling of Meggie, the pet form of Meg. The reason for the change from "M" to "P," which also occurs in Molly and Polly, is not known.
Surname or Lastname
English
English : habitational name, perhaps from Lepton in West Yorkshire, which is named from Old English hlēp ‘leap’ (hence ‘cliff’, ‘steep slope’) + tūn ‘enclosure’, ‘settlement’.English : probably a variant of Leverton.
Surname or Lastname
English (mainly southern)
English (mainly southern) : metonymic occupational name for a dancer, or a nickname for someone with an odd gait, from Middle English trip(p)(en) ‘to step lightly, skip, or hop’ (Old French triper).English : metonymic occupational name for a butcher or tripe dresser, from Middle English, Old French trip(p)e ‘tripe’ (of unknown origin).German : metonymic occupational name for a maker of wooden pattens (trippe), a type of raised sole that could be strapped to normal footwear for walking in unpaved muddy streets.
Surname or Lastname
Americanized spelling of Swedish Ap(p)elberg, an ornamental name composed of the elements apel ‘apple tree’ + berg ‘mountain’.English
Americanized spelling of Swedish Ap(p)elberg, an ornamental name composed of the elements apel ‘apple tree’ + berg ‘mountain’.English : the surname Applebury is recorded in England in the 19th century, perhaps a habitational name from a lost place.
Surname or Lastname
English
English : from a personal name, Old English SnÄ«p or Old Norse SnÃpr.English : habitational name from a place so called in former Northumberland.
Girl/Female
Australian, British, Danish, English, German
Mistress of All; Power of the Home; World Ruler; P
Surname or Lastname
English, Dutch, and Jewish
English, Dutch, and Jewish : variant of Samson. The -p- was introduced in the Greek transliteration of the Hebrew name Shimshon. The English surname has also long been established in Ireland.
P VALUE
P VALUE
Boy/Male
Hindu
Small
Boy/Male
Muslim
Wolf.
Girl/Female
Arabic
Beloved
Girl/Female
English
Feminine of Andrea.
Girl/Female
Australian, Latin, Polish, Swedish
Blind One; Sixth
Boy/Male
Hindu
Veerabadra
Girl/Female
French
Canal; channel. The popular perfume Chanel.
Female
Italian
Feminine form of Italian Goffredo, GIOFFREDA means "God's peace."
Girl/Female
Tamil
Affection, Love
Boy/Male
French
Strong.
P VALUE
P VALUE
P VALUE
P VALUE
P VALUE