Which one of the following symbols is used by ‘as’ operator?

1.Which one of the following arguments of read.table() function contain logical values?

 

(a) header (b) sep

(c) filename (d) None of the above

2. Which one of the following functions loads a package into the R workspace?

(a) load() (b) library()

(c) data() (d) install()

3. Which one of the following functions lists all the available datasets of a loaded package into

the R workspace?

(a) library() (b) data(datasetname)

(c) data() (d) install()

4. Which one of the following packages reads finance data from Yahoo finance?

(a) Rcurl (b) XML

(c) WDI (d) Quantmod

5. Which one of the following package reads all World Bank data?

(a) RCurl (b) XML

(c) WDI (d) Quantmod

6. Which one of the following packages is used for accessing web data?

(a) ScrapeR (b) Stat

(c) RSQLite (d) Matrix

7. Which one of the following commands converts a data frame into a matrix?

(a) as.Matrix(data frame) (b) .matrix(data frame)

(c) as.numeric(data frame) (d) None of the above

8. Which one of the following symbols is used by ‘as’ operator?

(a) * (b) .

(c) % (d) &

 

find the cost of your paper

What are basic concepts of the feminist legal theories?

1. What are basic concepts of the feminist legal theories? 2. The trial attorney’s job is to present enough historical evidence to persuade a jury to accept a hypothesis—either there’s….

calculate the pressure of 1 mole of methane as a function of container volume at 0°C (273 K) at suitable volumes from 22.4 L to 0.05 L.

The van der Waals equation is an equation of state that applies to real gases. For 1 mole of a gas, the van der Waals equation is where R is….

calculate the pressure of 1 mole of methane as a function of container volume at 0°C (273 K) at suitable volumes from 22.4 L to 0.05 L.

The van der Waals equation is an equation of state that applies to real gases. For 1 mole of a gas, the van der Waals equation is where R is….