Sentences with phrase «weak correlation in»

Additionally there is only weak correlation in staining between the matched primary and distant metastasis, suggesting that the primary tumor is not an adequate surrogate for determining PD - L1 expression in metastatic sites.

Not exact matches

Depending on the films and sets of messages included in the analysis, the correlation might look stronger or weaker.

In fact, many of the studies NAMI references do show correlations, but describe them as «inconsistent» or «weak.»

Removing those companies (just 3 in this case) that each had at least a 5 % impact on the r - squared value, along with the companies that had negative book values, reveals a weak, 27 %, correlation.

For all the reasons listed above, the correlation between these two factors is actually very weak, as demonstrated by Tim Koller, Jack Murrin, and Thomas E. Copeland in Valuation: Measuring and Managing the Value of Companies (p. 80).

If this strong correlation continues, exit opportunities for venture - backed IT companies would as a result decline in a weak economy.

Prior to the crisis, variation in the monetary base had a very weak correlation with stock returns even on a coincident basis.

Despite the stronger rationale for looking at relative rather than absolute change in party support, the historical data show weaker correlations with the former than the latter.

Arguably, the weak correlation between testosterone and violence gives us reason to be optimistic about the human race: Whereas other animals battle over mates as a direct result of their seasonal fluctuations in testosterone and other hormones, humans have discovered other ways to establish pecking orders.

The results show that the correlation between climate change — i.e. the variation in temperature and precipitation between glacials and interglacials — and the loss of megafauna is weak, and can only be seen in one sub-region, namely Eurasia (Europe and Asia).

But previous research found only a weak correlation between the spike in flu rates and the drop in relative humidity.

The researchers noted that there is a weak correlation between change in muscle size and change in muscle strength following training.

Other possible factors that might explain or influence the altruistic behavior — such as higher cognition (measured by brain size), hunting in groups, or stronger social bonds between group members — showed either much weaker correlations or no correlation at all with helping behaviors.

They also found a statistically significant, but weaker, correlation between people's genes for BMI and actual BMI in partners: People had actively chosen partners with similar genes to themselves, the team reports today in Nature Human Behaviour.

Length measured at 1 year also predicted life span, but the relationship was weaker, whereas at later time points (after 3, 4, 6, and 7 years) there was no correlation, the team reports online today in the Proceedings of the National Academy of Sciences.

More information: Kalina Paunovska et al, A direct comparison of in vitro and in vivo nucleic acid delivery mediated by hundreds of nanoparticles reveals a weak correlation., Nano Letters (2018).

When we estimated correlations for methylation including only 15,627 sites differentially methylated in case - control cohort 2, correlations were weaker but still strongest in MZ twins (Fig. 4B).

The correlation between PD - L1 expression in matched primary and metastatic specimens was weak (R = 0.24).

The genome - wide methylation data correlated more strongly in MZ versus DZ twin pairs, while the weakest correlation was found in unrelated individuals (Fig. 4A), supporting a genetic impact on adipose tissue DNA methylation.

In addition, a weak trend is suggested for a correlation of disc sizes and an anticorrelation of disc temperatures with the stellar age.

However, as the researchers point out, «A previous study undertaken in the same Chadian area in a larger group of sixty rural participants did demonstrate a weak inverse correlation between B12 and homocysteine concentrations in the twenty subjects most severely protein depleted... It is therefore likely that the hyperhomocysteinemia status of some of our rural subjects in the present survey might have resulted from combined B12 and protein deficiencies.

Perhaps surprisingly, total cholesterol has only weak associations with heart disease and diabetes — weaker, in fact, than the correlation between these conditions and plant protein intake (+25 and +12, respectively).

However, when track and field athletes are tested according to the most standard procedures (back squat and / or bench press 1RM respectively for lower and upper body strength) the correlation between absolute strength and performance in competition has shown to be relatively weak.

Correlational analyses also revealed several significant but generally weak correlations between age and time spent in online dating activities.

It's true that the correlation for «Getting ready for [the state test] takes a lot of time in our class» is weaker (0.103) than other items, but it is still positive.

That, too, is much weaker than the cross-sectional correlations reported in Table 1 - 7.

The result is a weak negative correlation to demonstrate that those teams that use lots of long balls up the pitch, don't do particularly well in the Premier League.

The level variable is highly correlated with the school quality measure (percent proficient) used in the national analysis, but the correlation between the growth variable and percent proficient is considerably weaker.

The correlations appear fairly weak, but this is due primarily to lack of reliability in essentially all measures.

These correlations, as they were in the previous article / post cited above, were statistically significant, positive, and fell in the very weak range in mathematics (0.15 < r < 0.19) and very weak range in English / language arts (0.07 < r < 0.15).

Indeed this is true, although the correlations they observed, as aligned with what is increasingly becoming a saturated finding in the literature (see similar findings about the Marzano observational framework here; see similar findings from other studies here, here, and here; see also other studies as cited by authors of this study on p. 13 - 14 here), is that the magnitude and practical significance of these correlations are «very weak» (e.g., r =.18) to «moderate» (e.g., r =.45,.46, and.48).

The report, coauthored by FutureEd's Phyllis W. Jordan and Raegen Miller, reviews the research on absenteeism and its correlation to student performance and well - being: Less time in school results in «weaker reading skills, higher retention rates, and lagging development of the social skills needed to persist in school.»

Even if a correlation is «statistically significant,» it is possible that the correlation is the result of bias, and that the relationship is so weak that it is not meaningful in practice, especially when the goal is to make high - stakes decisions about individual teachers.

In other words, a strong correlation noted in just one group of teachers (i.e., teachers scoring the lowest on their value - added and observational indicators in this case) can be relatively stronger than the «weak» correlation observed on average or overalIn other words, a strong correlation noted in just one group of teachers (i.e., teachers scoring the lowest on their value - added and observational indicators in this case) can be relatively stronger than the «weak» correlation observed on average or overalin just one group of teachers (i.e., teachers scoring the lowest on their value - added and observational indicators in this case) can be relatively stronger than the «weak» correlation observed on average or overalin this case) can be relatively stronger than the «weak» correlation observed on average or overall.

What this means in practice is that when correlations are this «weak,» it is reasonable to say statements about averages, for example, that «on average» as one variable increases the mean of the other variable increases, but it would not be prudent or wise to make predictions for individuals based on these data.

Others questioned whether the tremendous effort to observe teachers in classrooms, given its weak overall correlation to achievement, was worth it (Greene, 2013).

HOWEVER, this year that correlation is noticeably weaker than in previous years.

On a closing note, there is a weak positive correlation in most mature industries between stock price performance and relative decreases in share count, assets, and sales.

While detailed research shows that stocks have a weak negative correlation with inflation, this relationship is not pervasive over place and time, and most researchers recognize the large amount of noise in the data.

The benefit of having specific sector funds in the portfolio is these sector funds don't always correlate with the broad market and the weak correlation usually provides diversity, which in the long run could improve the portfolio's overall return.

Most international ETFs are dominated by mega cap stocks, a bias that can tilt exposure towards energy and financials and result in a weak correlation to domestic consumption patterns in the target market.

When I wanted to say is that having REIT in the portfolio can provide better returns in the long term due to the weak correlation between real estate and the general market.

Simply put, the mathematical correlation between an increase in atmospheric CO2 and temperature is very weak.

(i) Harrison and Stephenson show (see their Figure 2; reproduced in Figure 3 in top article) a very weak correlation between the CRF and the diffuse fraction (DF)(cloudiness — presumably dominated by changes in low - level cloudiness), which breaks down when the CRF is higher than 3600 (x100) per hour.

Large changes in cosmic rays are documented in response to magnetic - field variations (the Laschamp event of about 40,000 years ago is especially prominent) with no corresponding change in climate, so any cosmic - ray influence on the climate must be very small (a weak correlation can be obscured by noise; a strong control is almost always visible «by eye,» and clearly is absent).

In some specific contexts, they may be even higher, but evidence there is very weak; i.e. the studies that do purport to show high numbers are typically conflate causality with correlation (see point two below).

Although latitude was also a strong predictor of N2O flux (p < 0.001, R2 = 0.47, n = 55), latitude and NO3 — were weak covariates -LRB--- 0.29 Pearson correlation), and latitude was not a significant predictor of N2O (p = 0.10) in a multiple linear regression model with NO3 (p = 0.01).

In figure 3c, we see that the correlation between peak warming and cumulative emissions to 2100 is relatively weak.

The 29 year observational record of September sea ice extent has zero autocorrelation, zero skew, and only a weak correlation with the extent in the prior June.

We will see that over the last several years, while correlations between CO2 and temperature exist in the data, much of the historical circumstantial evidence for AGW theory has gotten weaker, and we will cover «global dimming» and see if this effect makes the case for AGW stronger.