It is invalid memeory location in computer memeory
A null tree.
NULL branches in trees are branches that do not contain any nodes. They represent the absence of a child node in a parent node. These NULL branches are important for maintaining the structure of the tree and indicating where additional nodes can be inserted.
1. Binary Tree 2. Null Tree 3. High&Low Balance Tree . . .
The null hypothesis is an hypothesis about some population parameter. The goal of hypothesis testing is to check the viability of the null hypothesis in the light of experimental data. Based on the data, the null hypothesis either will or will not be rejected as a viable possibility.
In databases: Null Value: Represents the absence of a value or an unknown value. It indicates that the data is missing or not applicable. Not Null Value: Indicates that a field contains a valid, defined value. It means the data is present and has been explicitly set.
The null hypothesis for a 1-way ANOVA is that the means of each subset of data are the same.
types of data structure types of data structure
ANOVA test null hypothesis is the means among two or more data sets are equal.
Use a recursive function. void delete_node (node* n) { /* ensure the given pointer is valid */ if (n==NULL) return; /* recursively delete the left child */ delete_node (n->left); n->left = NULL; /* recursively delete the right child */ delete_node (n->right); n->right = NULL; /* delete the data (assuming the data is a pointer)*/ free (n->data); n->data = NULL; /* finally, delete the node itself */ free (n); n=NULL; }
How do you amend a data structure?
array of character data type which is terminated by null character
Optional data fields: NULL can be used to indicate that certain fields in a database can have no value assigned to them. Unknown data: NULL can be used to represent missing or unknown information. Default values: NULL can be used as a default value for a field until a proper value is provided. Uninitialized variables: In programming, NULL can be used to indicate that a variable has not been assigned a value yet.