Rank Tests for Independence Against Weighted Alternative with Missing Values

One of the common problems of practical importance is that of determining whether there is independence between a pair of random variables. In this paper, the problem of testing independence of bivariate random variables against a weighted alternative model with possible missing values on both responses is considered. The model considered here is due to Shei, Bai and Tsai [9] which is the generalization of Hajek and Sidak [12] model with weighted contamination. A new rank test based on ranks is proposed and its asymptotic normality is established. Locally most powerful tests for the model is derived. The asymptotic null distributions of the test statistics are also provided for the purpose of practical us

Genetic variability studies in segregating generation for grain and nutritional quality traits in rice (Oryza sativa L.)

The experimental materials used were four traditional landraces and six improved high yielding varieties of Tamil Nadu raised in during kharif 2012-2014. Genetic variability parameters on F3 population (20 selected F3 plants) of two cross combination viz., IR 72 x Veeradangan and ADT 39 x Kavuni in F3 population depicted wide range of variability and its ranged from 6.46 to 10.39 mg/100 g while it was from 5.39 to 7.65 mg/100 g in IR 72 x Veeradangan F3 population. Calcium content for IR 72 x Veeradangan in selected F3 population recorded wide range of variability and its ranged from 61.43 to 97.63 mg/100 g with a mean value of 80.67 mg/100 g whereas, ADT 39 x Kavuni in F3 population revealed the low range of variability and its ranged from 53.38 to 94.25 mg/100 g with a mean value of 79.58 mg/100 g for magnesium content. For iron content, IR 72 x Veeradangan in F3 population showed wide range of variability and its ranged from 0.53 to 1.03 mg/100 g with a grand mean of 0.80 mg/100 g whereas, ADT 39 x Kavuni in F3 population ranged from 0.61 to 1.33 mg/100 g and from with a grand mean value of 0.97 mg/100 g. For zinc content, wide range of variability was found in ADT 39 x Kavuni (1.43 to 2.16 mg/100 g) and in IR 72 x Veeradangan (1.51 to 1.98 mg/100 g) in F3 population

On Distribution Free Tests for the Two-Sample Location Problem Based on Signs of Extreme Observations

A class of distribution-free tests for two-sample location problem is based on the signs of most extreme observations in the sub-samples of sizes c and d from X and Y samples respectively. The test statistics have been expressed in terms of linear rank statistics. The asymptotic normality of the test statistics is established. Asymptotic efficiencies indicate that members of our class do well in comparison with some already existing test statistics for light and medium tailed distributions

Rank Tests for Independence Against Weighted Alternative with Missing Values

One of the common problems of practical importance is that of determining whether there is independence between a pair of random variables. In this paper, the problem of testing independence of bivariate random variables against a weighted alternative model with possible missing values on both responses is considered. The model considered here is due to Shei, Bai and Tsai [9] which is the generalization of Hajek and Sidak [12] model with weighted contamination. A new rank test based on ranks is proposed and its asymptotic normality is established. Locally most powerful tests for the model is derived. The asymptotic null distributions of the test statistics are also provided for the purpose of practical us

Nutritional and grain quality characters correlation with yield components in different conventional land races and improved varieties for in situ conservation in Tamil Nadu in rice (Oryza sativa L.)

53-60The aim of present research was to assess physicochemical and grain qualities of traditional land races and rice cultivars native to temperate region (Tamil Nadu) of India. Traditional varieties in India and across the Asia serious threat of extension because of arrival of high yielding varieties, hybrids, genetically engineered rice came for nowadays to increase the malnutrition and different human disease is the major problem. Trial material comprised of ten parents which comprised in six cultivars of female parents and four conventional landraces utilized as male parents, F1, F2 and F3 generation of six crosses. Parents and two crosses viz., IR 72 x Veeradangan, ADT 39 x Kavuni were chosen F3 generation dependent on the biometrical characters present in quality and nutritional traits in grains. These desirable characteristics (nutritional, grain quality) exploit farmers to preserve these traditional and improved cultivars encourage farmers to cultivate

Nutritional and grain quality characters correlation with yield components in different conventional land races and improved varieties for in situ conservation in Tamil Nadu in rice (Oryza sativa L.)

The aim of present research was to assess physicochemical and grain qualities of traditional land races and rice cultivars native to temperate region (Tamil Nadu) of India. Traditional varieties in India and across the Asia serious threat of extension because of arrival of high yielding varieties, hybrids, genetically engineered rice came for nowadays to increase the malnutrition and different human disease is the major problem. Trial material comprised of ten parents which comprised in six cultivars of female parents and four conventional landraces utilized as male parents, F1, F2 and F3 generation of six crosses. Parents and two crosses viz., IR 72 x Veeradangan, ADT 39 x Kavuni were chosen F3 generation dependent on the biometrical characters present in quality and nutritional traits in grains. These desirable characteristics (nutritional, grain quality) exploit farmers to preserve these traditional and improved cultivars encourage farmers to cultivate

ON DISTRIBUTION FREE TESTS FOR THE TWO-SAMPLE LOCATION PROBLEM BASED ON SIGNS OF EXTREME OBSERVATIONS

A class of distribution-free tests for two-sample location problem is based on the signs of most extreme observations in the sub-samples of sizes c and d from X and Y samples respectively. The test statistics have been expressed in terms of linear rank statistics. The asymptotic normality of the test statistics is established. Asymptotic e�ciencies indicate that members of our class do well in comparison with some already existing test statistics for light and medium tailed distribution

ON TESTING AGAINST POSITIVE QUADRANT DEPENDENCE BASED ON SUB-SAMPLE ORDER STATISTICS

A new class of tests based on convex combination of the two statistics is proposed. These are functions of sub-sample order statistics. The classes of tests proposed by Kochar and Gupta [6], Shetty and Pandit [16], Pandit and Kumari [11] and Kendall’s test lie in the proposed class of test statistics. The asymptotic normality of the proposed class of tests is established. It has been observed that some members of the class perform better than the existing tests. Unbiasedness and consistency of the proposed class of tests are established

Clinical Study Crevicular Fluid and Serum Concentrations of Progranulin and High Sensitivity CRP in Chronic Periodontitis and Type 2 Diabetes

Introduction. This study was designed to correlate the serum and gingival crevicular fluid (GCF) levels of progranulin (PGRN) and high sensitivity C-reactive protein (hs CRP) in chronic periodontitis and type 2 diabetes mellitus (DM). Design. PGRN and hs CRP levels were estimated in 3 groups: healthy, chronic periodontitis, and type 2 DM with chronic periodontitis. Results. The mean PGRN and hs CRP concentrations in serum and GCF were the highest for group 3 followed by group 2 and the least in group 1. Conclusion. PGRN and hs CRP may be biomarkers of the inflammatory response in type 2 DM and chronic periodontitis

A Comparative Study of β-galactosidase and Alanine Amino Transferase Enzymes during the Germination of Rice, Wheat, Ragi and Bajra

Biomolecules are converted by the action of enzymes during the germination process and these are translocated to the growing seedlings serving as an enzyme source and for the synthesis of new biomolecules. The objective in the present study was to quantify the enzymatic activity of β-galactosidase and alanine amino transferase in rice, wheat, ragi and bajra on different days of germination. Germination was carried out for a period of 8 days. The enzymes activity increased differentially to an extent on the different days on germination in rice, wheat, ragi and bajra. This indicates the breakdown of molecules differs and the mechanism which is operating during the germination varies from species to species, depending on the requirement for the developing seedlings