Que.Which of the following method make vector of repeated values?
|
| a. rep() |
| b. data() |
| c. view() |
| d. read() |
Que.Which of the following finds the position of a quantile in a dataset?
|
| a. quantile() |
| b. barplot() |
| c. barchart() |
| d. rep() |
Que.Which of the following function cross-tabulate tables using formulas?
|
| a. table |
| b. stem |
| c. xtabs |
| d. read |
Que.Which of the following groups find the correlation matrix?
|
| a. factor.model |
| b. col.max(x) |
| c. stem |
| d. which.max(x) |
Que.which of the following statement make a mosaic plot?
|
| a. histogram() |
| b. mosaicplot() |
| c. bar() |
| d. which.max(x) |
Que.Which of the following compute proportions from a contingency table?
|
| a. par() |
| b. prop.table() |
| c. anova() |
| d. mosaicplot() |
Que.Which of the following is lattice command for producing a scatterplot?
|
| a. plot() |
| b. lm() |
| c. xyplot() |
| d. anova() |
Que.Which of the following builds empirical cumulative distribution function?
|
| a. ecdf() |
| b. cum |
| c. cumsum |
| d. lm() |
Que.Which of the following is used to view dataset in a spreadsheet-type format ?
|
| a. Disp() |
| b. View() |
| c. Seq() |
| d. lm() |
Que.________ function carries out a chi-square test.
|
| a. chisq.test() |
| b. t.test() |
| c. prop.test() |
| d. fisher.test() |